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1                      GNU GENERAL PUBLIC LICENSE                      GNU GENERAL PUBLIC LICENSE
2                         Version 2, June 1991                         Version 3, 29 June 2007
3    
4   Copyright (C) 1989, 1991 Free Software Foundation, Inc.   Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
                        51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA  
5   Everyone is permitted to copy and distribute verbatim copies   Everyone is permitted to copy and distribute verbatim copies
6   of this license document, but changing it is not allowed.   of this license document, but changing it is not allowed.
7    
8                              Preamble                              Preamble
9    
10    The licenses for most software are designed to take away your    The GNU General Public License is a free, copyleft license for
11  freedom to share and change it.  By contrast, the GNU General Public  software and other kinds of works.
12  License is intended to guarantee your freedom to share and change free  
13  software--to make sure the software is free for all its users.  This    The licenses for most software and other practical works are designed
14  General Public License applies to most of the Free Software  to take away your freedom to share and change the works.  By contrast,
15  Foundation's software and to any other program whose authors commit to  the GNU General Public License is intended to guarantee your freedom to
16  using it.  (Some other Free Software Foundation software is covered by  share and change all versions of a program--to make sure it remains free
17  the GNU Library General Public License instead.)  You can apply it to  software for all its users.  We, the Free Software Foundation, use the
18    GNU General Public License for most of our software; it applies also to
19    any other work released this way by its authors.  You can apply it to
20  your programs, too.  your programs, too.
21    
22    When we speak of free software, we are referring to freedom, not    When we speak of free software, we are referring to freedom, not
23  price.  Our General Public Licenses are designed to make sure that you  price.  Our General Public Licenses are designed to make sure that you
24  have the freedom to distribute copies of free software (and charge for  have the freedom to distribute copies of free software (and charge for
25  this service if you wish), that you receive source code or can get it  them if you wish), that you receive source code or can get it if you
26  if you want it, that you can change the software or use pieces of it  want it, that you can change the software or use pieces of it in new
27  in new free programs; and that you know you can do these things.  free programs, and that you know you can do these things.
28    
29    To protect your rights, we need to make restrictions that forbid    To protect your rights, we need to prevent others from denying you
30  anyone to deny you these rights or to ask you to surrender the rights.  these rights or asking you to surrender the rights.  Therefore, you have
31  These restrictions translate to certain responsibilities for you if you  certain responsibilities if you distribute copies of the software, or if
32  distribute copies of the software, or if you modify it.  you modify it: responsibilities to respect the freedom of others.
33    
34    For example, if you distribute copies of such a program, whether    For example, if you distribute copies of such a program, whether
35  gratis or for a fee, you must give the recipients all the rights that  gratis or for a fee, you must pass on to the recipients the same
36  you have.  You must make sure that they, too, receive or can get the  freedoms that you received.  You must make sure that they, too, receive
37  source code.  And you must show them these terms so they know their  or can get the source code.  And you must show them these terms so they
38  rights.  know their rights.
39    
40    We protect your rights with two steps: (1) copyright the software, and    Developers that use the GNU GPL protect your rights with two steps:
41  (2) offer you this license which gives you legal permission to copy,  (1) assert copyright on the software, and (2) offer you this License
42  distribute and/or modify the software.  giving you legal permission to copy, distribute and/or modify it.
43    
44    Also, for each author's protection and ours, we want to make certain    For the developers' and authors' protection, the GPL clearly explains
45  that everyone understands that there is no warranty for this free  that there is no warranty for this free software.  For both users' and
46  software.  If the software is modified by someone else and passed on, we  authors' sake, the GPL requires that modified versions be marked as
47  want its recipients to know that what they have is not the original, so  changed, so that their problems will not be attributed erroneously to
48  that any problems introduced by others will not reflect on the original  authors of previous versions.
49  authors' reputations.  
50      Some devices are designed to deny users access to install or run
51    Finally, any free program is threatened constantly by software  modified versions of the software inside them, although the manufacturer
52  patents.  We wish to avoid the danger that redistributors of a free  can do so.  This is fundamentally incompatible with the aim of
53  program will individually obtain patent licenses, in effect making the  protecting users' freedom to change the software.  The systematic
54  program proprietary.  To prevent this, we have made it clear that any  pattern of such abuse occurs in the area of products for individuals to
55  patent must be licensed for everyone's free use or not licensed at all.  use, which is precisely where it is most unacceptable.  Therefore, we
56    have designed this version of the GPL to prohibit the practice for those
57    products.  If such problems arise substantially in other domains, we
58    stand ready to extend this provision to those domains in future versions
59    of the GPL, as needed to protect the freedom of users.
60    
61      Finally, every program is threatened constantly by software patents.
62    States should not allow patents to restrict development and use of
63    software on general-purpose computers, but in those that do, we wish to
64    avoid the special danger that patents applied to a free program could
65    make it effectively proprietary.  To prevent this, the GPL assures that
66    patents cannot be used to render the program non-free.
67    
68    The precise terms and conditions for copying, distribution and    The precise terms and conditions for copying, distribution and
69  modification follow.  modification follow.
70    
71                      GNU GENERAL PUBLIC LICENSE                         TERMS AND CONDITIONS
72     TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION  
73      0. Definitions.
74    0. This License applies to any program or other work which contains  
75  a notice placed by the copyright holder saying it may be distributed    "This License" refers to version 3 of the GNU General Public License.
76  under the terms of this General Public License.  The "Program", below,  
77  refers to any such program or work, and a "work based on the Program"    "Copyright" also means copyright-like laws that apply to other kinds of
78  means either the Program or any derivative work under copyright law:  works, such as semiconductor masks.
79  that is to say, a work containing the Program or a portion of it,  
80  either verbatim or with modifications and/or translated into another    "The Program" refers to any copyrightable work licensed under this
81  language.  (Hereinafter, translation is included without limitation in  License.  Each licensee is addressed as "you".  "Licensees" and
82  the term "modification".)  Each licensee is addressed as "you".  "recipients" may be individuals or organizations.
83    
84  Activities other than copying, distribution and modification are not    To "modify" a work means to copy from or adapt all or part of the work
85  covered by this License; they are outside its scope.  The act of  in a fashion requiring copyright permission, other than the making of an
86  running the Program is not restricted, and the output from the Program  exact copy.  The resulting work is called a "modified version" of the
87  is covered only if its contents constitute a work based on the  earlier work or a work "based on" the earlier work.
88  Program (independent of having been made by running the Program).  
89  Whether that is true depends on what the Program does.    A "covered work" means either the unmodified Program or a work based
90    on the Program.
91    1. You may copy and distribute verbatim copies of the Program's  
92  source code as you receive it, in any medium, provided that you    To "propagate" a work means to do anything with it that, without
93  conspicuously and appropriately publish on each copy an appropriate  permission, would make you directly or secondarily liable for
94  copyright notice and disclaimer of warranty; keep intact all the  infringement under applicable copyright law, except executing it on a
95  notices that refer to this License and to the absence of any warranty;  computer or modifying a private copy.  Propagation includes copying,
96  and give any other recipients of the Program a copy of this License  distribution (with or without modification), making available to the
97  along with the Program.  public, and in some countries other activities as well.
98    
99  You may charge a fee for the physical act of transferring a copy, and    To "convey" a work means any kind of propagation that enables other
100  you may at your option offer warranty protection in exchange for a fee.  parties to make or receive copies.  Mere interaction with a user through
101    a computer network, with no transfer of a copy, is not conveying.
102    2. You may modify your copy or copies of the Program or any portion  
103  of it, thus forming a work based on the Program, and copy and    An interactive user interface displays "Appropriate Legal Notices"
104  distribute such modifications or work under the terms of Section 1  to the extent that it includes a convenient and prominently visible
105  above, provided that you also meet all of these conditions:  feature that (1) displays an appropriate copyright notice, and (2)
106    tells the user that there is no warranty for the work (except to the
107      a) You must cause the modified files to carry prominent notices  extent that warranties are provided), that licensees may convey the
108      stating that you changed the files and the date of any change.  work under this License, and how to view a copy of this License.  If
109    the interface presents a list of user commands or options, such as a
110      b) You must cause any work that you distribute or publish, that in  menu, a prominent item in the list meets this criterion.
111      whole or in part contains or is derived from the Program or any  
112      part thereof, to be licensed as a whole at no charge to all third    1. Source Code.
113      parties under the terms of this License.  
114      The "source code" for a work means the preferred form of the work
115      c) If the modified program normally reads commands interactively  for making modifications to it.  "Object code" means any non-source
116      when run, you must cause it, when started running for such  form of a work.
117      interactive use in the most ordinary way, to print or display an  
118      announcement including an appropriate copyright notice and a    A "Standard Interface" means an interface that either is an official
119      notice that there is no warranty (or else, saying that you provide  standard defined by a recognized standards body, or, in the case of
120      a warranty) and that users may redistribute the program under  interfaces specified for a particular programming language, one that
121      these conditions, and telling the user how to view a copy of this  is widely used among developers working in that language.
122      License.  (Exception: if the Program itself is interactive but  
123      does not normally print such an announcement, your work based on    The "System Libraries" of an executable work include anything, other
124      the Program is not required to print an announcement.)  than the work as a whole, that (a) is included in the normal form of
125    packaging a Major Component, but which is not part of that Major
126  These requirements apply to the modified work as a whole.  If  Component, and (b) serves only to enable use of the work with that
127  identifiable sections of that work are not derived from the Program,  Major Component, or to implement a Standard Interface for which an
128  and can be reasonably considered independent and separate works in  implementation is available to the public in source code form.  A
129  themselves, then this License, and its terms, do not apply to those  "Major Component", in this context, means a major essential component
130  sections when you distribute them as separate works.  But when you  (kernel, window system, and so on) of the specific operating system
131  distribute the same sections as part of a whole which is a work based  (if any) on which the executable work runs, or a compiler used to
132  on the Program, the distribution of the whole must be on the terms of  produce the work, or an object code interpreter used to run it.
133  this License, whose permissions for other licensees extend to the  
134  entire whole, and thus to each and every part regardless of who wrote it.    The "Corresponding Source" for a work in object code form means all
135    the source code needed to generate, install, and (for an executable
136  Thus, it is not the intent of this section to claim rights or contest  work) run the object code and to modify the work, including scripts to
137  your rights to work written entirely by you; rather, the intent is to  control those activities.  However, it does not include the work's
138  exercise the right to control the distribution of derivative or  System Libraries, or general-purpose tools or generally available free
139  collective works based on the Program.  programs which are used unmodified in performing those activities but
140    which are not part of the work.  For example, Corresponding Source
141  In addition, mere aggregation of another work not based on the Program  includes interface definition files associated with source files for
142  with the Program (or with a work based on the Program) on a volume of  the work, and the source code for shared libraries and dynamically
143  a storage or distribution medium does not bring the other work under  linked subprograms that the work is specifically designed to require,
144  the scope of this License.  such as by intimate data communication or control flow between those
145    subprograms and other parts of the work.
146    3. You may copy and distribute the Program (or a work based on it,  
147  under Section 2) in object code or executable form under the terms of    The Corresponding Source need not include anything that users
148  Sections 1 and 2 above provided that you also do one of the following:  can regenerate automatically from other parts of the Corresponding
149    Source.
150      a) Accompany it with the complete corresponding machine-readable  
151      source code, which must be distributed under the terms of Sections    The Corresponding Source for a work in source code form is that
152      1 and 2 above on a medium customarily used for software interchange; or,  same work.
153    
154      b) Accompany it with a written offer, valid for at least three    2. Basic Permissions.
155      years, to give any third party, for a charge no more than your  
156      cost of physically performing source distribution, a complete    All rights granted under this License are granted for the term of
157      machine-readable copy of the corresponding source code, to be  copyright on the Program, and are irrevocable provided the stated
158      distributed under the terms of Sections 1 and 2 above on a medium  conditions are met.  This License explicitly affirms your unlimited
159      customarily used for software interchange; or,  permission to run the unmodified Program.  The output from running a
160    covered work is covered by this License only if the output, given its
161      c) Accompany it with the information you received as to the offer  content, constitutes a covered work.  This License acknowledges your
162      to distribute corresponding source code.  (This alternative is  rights of fair use or other equivalent, as provided by copyright law.
163      allowed only for noncommercial distribution and only if you  
164      received the program in object code or executable form with such    You may make, run and propagate covered works that you do not
165      an offer, in accord with Subsection b above.)  convey, without conditions so long as your license otherwise remains
166    in force.  You may convey covered works to others for the sole purpose
167  The source code for a work means the preferred form of the work for  of having them make modifications exclusively for you, or provide you
168  making modifications to it.  For an executable work, complete source  with facilities for running those works, provided that you comply with
169  code means all the source code for all modules it contains, plus any  the terms of this License in conveying all material for which you do
170  associated interface definition files, plus the scripts used to  not control copyright.  Those thus making or running the covered works
171  control compilation and installation of the executable.  However, as a  for you must do so exclusively on your behalf, under your direction
172  special exception, the source code distributed need not include  and control, on terms that prohibit them from making any copies of
173  anything that is normally distributed (in either source or binary  your copyrighted material outside their relationship with you.
174  form) with the major components (compiler, kernel, and so on) of the  
175  operating system on which the executable runs, unless that component    Conveying under any other circumstances is permitted solely under
176  itself accompanies the executable.  the conditions stated below.  Sublicensing is not allowed; section 10
177    makes it unnecessary.
178  If distribution of executable or object code is made by offering  
179  access to copy from a designated place, then offering equivalent    3. Protecting Users' Legal Rights From Anti-Circumvention Law.
180  access to copy the source code from the same place counts as  
181  distribution of the source code, even though third parties are not    No covered work shall be deemed part of an effective technological
182  compelled to copy the source along with the object code.  measure under any applicable law fulfilling obligations under article
183    11 of the WIPO copyright treaty adopted on 20 December 1996, or
184    4. You may not copy, modify, sublicense, or distribute the Program  similar laws prohibiting or restricting circumvention of such
185  except as expressly provided under this License.  Any attempt  measures.
186  otherwise to copy, modify, sublicense or distribute the Program is  
187  void, and will automatically terminate your rights under this License.    When you convey a covered work, you waive any legal power to forbid
188  However, parties who have received copies, or rights, from you under  circumvention of technological measures to the extent such circumvention
189  this License will not have their licenses terminated so long as such  is effected by exercising rights under this License with respect to
190  parties remain in full compliance.  the covered work, and you disclaim any intention to limit operation or
191    modification of the work as a means of enforcing, against the work's
192    5. You are not required to accept this License, since you have not  users, your or third parties' legal rights to forbid circumvention of
193  signed it.  However, nothing else grants you permission to modify or  technological measures.
194  distribute the Program or its derivative works.  These actions are  
195  prohibited by law if you do not accept this License.  Therefore, by    4. Conveying Verbatim Copies.
196  modifying or distributing the Program (or any work based on the  
197  Program), you indicate your acceptance of this License to do so, and    You may convey verbatim copies of the Program's source code as you
198  all its terms and conditions for copying, distributing or modifying  receive it, in any medium, provided that you conspicuously and
199  the Program or works based on it.  appropriately publish on each copy an appropriate copyright notice;
200    keep intact all notices stating that this License and any
201    6. Each time you redistribute the Program (or any work based on the  non-permissive terms added in accord with section 7 apply to the code;
202  Program), the recipient automatically receives a license from the  keep intact all notices of the absence of any warranty; and give all
203  original licensor to copy, distribute or modify the Program subject to  recipients a copy of this License along with the Program.
204  these terms and conditions.  You may not impose any further  
205  restrictions on the recipients' exercise of the rights granted herein.    You may charge any price or no price for each copy that you convey,
206  You are not responsible for enforcing compliance by third parties to  and you may offer support or warranty protection for a fee.
207    
208      5. Conveying Modified Source Versions.
209    
210      You may convey a work based on the Program, or the modifications to
211    produce it from the Program, in the form of source code under the
212    terms of section 4, provided that you also meet all of these conditions:
213    
214        a) The work must carry prominent notices stating that you modified
215        it, and giving a relevant date.
216    
217        b) The work must carry prominent notices stating that it is
218        released under this License and any conditions added under section
219        7.  This requirement modifies the requirement in section 4 to
220        "keep intact all notices".
221    
222        c) You must license the entire work, as a whole, under this
223        License to anyone who comes into possession of a copy.  This
224        License will therefore apply, along with any applicable section 7
225        additional terms, to the whole of the work, and all its parts,
226        regardless of how they are packaged.  This License gives no
227        permission to license the work in any other way, but it does not
228        invalidate such permission if you have separately received it.
229    
230        d) If the work has interactive user interfaces, each must display
231        Appropriate Legal Notices; however, if the Program has interactive
232        interfaces that do not display Appropriate Legal Notices, your
233        work need not make them do so.
234    
235      A compilation of a covered work with other separate and independent
236    works, which are not by their nature extensions of the covered work,
237    and which are not combined with it such as to form a larger program,
238    in or on a volume of a storage or distribution medium, is called an
239    "aggregate" if the compilation and its resulting copyright are not
240    used to limit the access or legal rights of the compilation's users
241    beyond what the individual works permit.  Inclusion of a covered work
242    in an aggregate does not cause this License to apply to the other
243    parts of the aggregate.
244    
245      6. Conveying Non-Source Forms.
246    
247      You may convey a covered work in object code form under the terms
248    of sections 4 and 5, provided that you also convey the
249    machine-readable Corresponding Source under the terms of this License,
250    in one of these ways:
251    
252        a) Convey the object code in, or embodied in, a physical product
253        (including a physical distribution medium), accompanied by the
254        Corresponding Source fixed on a durable physical medium
255        customarily used for software interchange.
256    
257        b) Convey the object code in, or embodied in, a physical product
258        (including a physical distribution medium), accompanied by a
259        written offer, valid for at least three years and valid for as
260        long as you offer spare parts or customer support for that product
261        model, to give anyone who possesses the object code either (1) a
262        copy of the Corresponding Source for all the software in the
263        product that is covered by this License, on a durable physical
264        medium customarily used for software interchange, for a price no
265        more than your reasonable cost of physically performing this
266        conveying of source, or (2) access to copy the
267        Corresponding Source from a network server at no charge.
268    
269        c) Convey individual copies of the object code with a copy of the
270        written offer to provide the Corresponding Source.  This
271        alternative is allowed only occasionally and noncommercially, and
272        only if you received the object code with such an offer, in accord
273        with subsection 6b.
274    
275        d) Convey the object code by offering access from a designated
276        place (gratis or for a charge), and offer equivalent access to the
277        Corresponding Source in the same way through the same place at no
278        further charge.  You need not require recipients to copy the
279        Corresponding Source along with the object code.  If the place to
280        copy the object code is a network server, the Corresponding Source
281        may be on a different server (operated by you or a third party)
282        that supports equivalent copying facilities, provided you maintain
283        clear directions next to the object code saying where to find the
284        Corresponding Source.  Regardless of what server hosts the
285        Corresponding Source, you remain obligated to ensure that it is
286        available for as long as needed to satisfy these requirements.
287    
288        e) Convey the object code using peer-to-peer transmission, provided
289        you inform other peers where the object code and Corresponding
290        Source of the work are being offered to the general public at no
291        charge under subsection 6d.
292    
293      A separable portion of the object code, whose source code is excluded
294    from the Corresponding Source as a System Library, need not be
295    included in conveying the object code work.
296    
297      A "User Product" is either (1) a "consumer product", which means any
298    tangible personal property which is normally used for personal, family,
299    or household purposes, or (2) anything designed or sold for incorporation
300    into a dwelling.  In determining whether a product is a consumer product,
301    doubtful cases shall be resolved in favor of coverage.  For a particular
302    product received by a particular user, "normally used" refers to a
303    typical or common use of that class of product, regardless of the status
304    of the particular user or of the way in which the particular user
305    actually uses, or expects or is expected to use, the product.  A product
306    is a consumer product regardless of whether the product has substantial
307    commercial, industrial or non-consumer uses, unless such uses represent
308    the only significant mode of use of the product.
309    
310      "Installation Information" for a User Product means any methods,
311    procedures, authorization keys, or other information required to install
312    and execute modified versions of a covered work in that User Product from
313    a modified version of its Corresponding Source.  The information must
314    suffice to ensure that the continued functioning of the modified object
315    code is in no case prevented or interfered with solely because
316    modification has been made.
317    
318      If you convey an object code work under this section in, or with, or
319    specifically for use in, a User Product, and the conveying occurs as
320    part of a transaction in which the right of possession and use of the
321    User Product is transferred to the recipient in perpetuity or for a
322    fixed term (regardless of how the transaction is characterized), the
323    Corresponding Source conveyed under this section must be accompanied
324    by the Installation Information.  But this requirement does not apply
325    if neither you nor any third party retains the ability to install
326    modified object code on the User Product (for example, the work has
327    been installed in ROM).
328    
329      The requirement to provide Installation Information does not include a
330    requirement to continue to provide support service, warranty, or updates
331    for a work that has been modified or installed by the recipient, or for
332    the User Product in which it has been modified or installed.  Access to a
333    network may be denied when the modification itself materially and
334    adversely affects the operation of the network or violates the rules and
335    protocols for communication across the network.
336    
337      Corresponding Source conveyed, and Installation Information provided,
338    in accord with this section must be in a format that is publicly
339    documented (and with an implementation available to the public in
340    source code form), and must require no special password or key for
341    unpacking, reading or copying.
342    
343      7. Additional Terms.
344    
345      "Additional permissions" are terms that supplement the terms of this
346    License by making exceptions from one or more of its conditions.
347    Additional permissions that are applicable to the entire Program shall
348    be treated as though they were included in this License, to the extent
349    that they are valid under applicable law.  If additional permissions
350    apply only to part of the Program, that part may be used separately
351    under those permissions, but the entire Program remains governed by
352    this License without regard to the additional permissions.
353    
354      When you convey a copy of a covered work, you may at your option
355    remove any additional permissions from that copy, or from any part of
356    it.  (Additional permissions may be written to require their own
357    removal in certain cases when you modify the work.)  You may place
358    additional permissions on material, added by you to a covered work,
359    for which you have or can give appropriate copyright permission.
360    
361      Notwithstanding any other provision of this License, for material you
362    add to a covered work, you may (if authorized by the copyright holders of
363    that material) supplement the terms of this License with terms:
364    
365        a) Disclaiming warranty or limiting liability differently from the
366        terms of sections 15 and 16 of this License; or
367    
368        b) Requiring preservation of specified reasonable legal notices or
369        author attributions in that material or in the Appropriate Legal
370        Notices displayed by works containing it; or
371    
372        c) Prohibiting misrepresentation of the origin of that material, or
373        requiring that modified versions of such material be marked in
374        reasonable ways as different from the original version; or
375    
376        d) Limiting the use for publicity purposes of names of licensors or
377        authors of the material; or
378    
379        e) Declining to grant rights under trademark law for use of some
380        trade names, trademarks, or service marks; or
381    
382        f) Requiring indemnification of licensors and authors of that
383        material by anyone who conveys the material (or modified versions of
384        it) with contractual assumptions of liability to the recipient, for
385        any liability that these contractual assumptions directly impose on
386        those licensors and authors.
387    
388      All other non-permissive additional terms are considered "further
389    restrictions" within the meaning of section 10.  If the Program as you
390    received it, or any part of it, contains a notice stating that it is
391    governed by this License along with a term that is a further
392    restriction, you may remove that term.  If a license document contains
393    a further restriction but permits relicensing or conveying under this
394    License, you may add to a covered work material governed by the terms
395    of that license document, provided that the further restriction does
396    not survive such relicensing or conveying.
397    
398      If you add terms to a covered work in accord with this section, you
399    must place, in the relevant source files, a statement of the
400    additional terms that apply to those files, or a notice indicating
401    where to find the applicable terms.
402    
403      Additional terms, permissive or non-permissive, may be stated in the
404    form of a separately written license, or stated as exceptions;
405    the above requirements apply either way.
406    
407      8. Termination.
408    
409      You may not propagate or modify a covered work except as expressly
410    provided under this License.  Any attempt otherwise to propagate or
411    modify it is void, and will automatically terminate your rights under
412    this License (including any patent licenses granted under the third
413    paragraph of section 11).
414    
415      However, if you cease all violation of this License, then your
416    license from a particular copyright holder is reinstated (a)
417    provisionally, unless and until the copyright holder explicitly and
418    finally terminates your license, and (b) permanently, if the copyright
419    holder fails to notify you of the violation by some reasonable means
420    prior to 60 days after the cessation.
421    
422      Moreover, your license from a particular copyright holder is
423    reinstated permanently if the copyright holder notifies you of the
424    violation by some reasonable means, this is the first time you have
425    received notice of violation of this License (for any work) from that
426    copyright holder, and you cure the violation prior to 30 days after
427    your receipt of the notice.
428    
429      Termination of your rights under this section does not terminate the
430    licenses of parties who have received copies or rights from you under
431    this License.  If your rights have been terminated and not permanently
432    reinstated, you do not qualify to receive new licenses for the same
433    material under section 10.
434    
435      9. Acceptance Not Required for Having Copies.
436    
437      You are not required to accept this License in order to receive or
438    run a copy of the Program.  Ancillary propagation of a covered work
439    occurring solely as a consequence of using peer-to-peer transmission
440    to receive a copy likewise does not require acceptance.  However,
441    nothing other than this License grants you permission to propagate or
442    modify any covered work.  These actions infringe copyright if you do
443    not accept this License.  Therefore, by modifying or propagating a
444    covered work, you indicate your acceptance of this License to do so.
445    
446      10. Automatic Licensing of Downstream Recipients.
447    
448      Each time you convey a covered work, the recipient automatically
449    receives a license from the original licensors, to run, modify and
450    propagate that work, subject to this License.  You are not responsible
451    for enforcing compliance by third parties with this License.
452    
453      An "entity transaction" is a transaction transferring control of an
454    organization, or substantially all assets of one, or subdividing an
455    organization, or merging organizations.  If propagation of a covered
456    work results from an entity transaction, each party to that
457    transaction who receives a copy of the work also receives whatever
458    licenses to the work the party's predecessor in interest had or could
459    give under the previous paragraph, plus a right to possession of the
460    Corresponding Source of the work from the predecessor in interest, if
461    the predecessor has it or can get it with reasonable efforts.
462    
463      You may not impose any further restrictions on the exercise of the
464    rights granted or affirmed under this License.  For example, you may
465    not impose a license fee, royalty, or other charge for exercise of
466    rights granted under this License, and you may not initiate litigation
467    (including a cross-claim or counterclaim in a lawsuit) alleging that
468    any patent claim is infringed by making, using, selling, offering for
469    sale, or importing the Program or any portion of it.
470    
471      11. Patents.
472    
473      A "contributor" is a copyright holder who authorizes use under this
474    License of the Program or a work on which the Program is based.  The
475    work thus licensed is called the contributor's "contributor version".
476    
477      A contributor's "essential patent claims" are all patent claims
478    owned or controlled by the contributor, whether already acquired or
479    hereafter acquired, that would be infringed by some manner, permitted
480    by this License, of making, using, or selling its contributor version,
481    but do not include claims that would be infringed only as a
482    consequence of further modification of the contributor version.  For
483    purposes of this definition, "control" includes the right to grant
484    patent sublicenses in a manner consistent with the requirements of
485  this License.  this License.
486    
487    7. If, as a consequence of a court judgment or allegation of patent    Each contributor grants you a non-exclusive, worldwide, royalty-free
488  infringement or for any other reason (not limited to patent issues),  patent license under the contributor's essential patent claims, to
489  conditions are imposed on you (whether by court order, agreement or  make, use, sell, offer for sale, import and otherwise run, modify and
490    propagate the contents of its contributor version.
491    
492      In the following three paragraphs, a "patent license" is any express
493    agreement or commitment, however denominated, not to enforce a patent
494    (such as an express permission to practice a patent or covenant not to
495    sue for patent infringement).  To "grant" such a patent license to a
496    party means to make such an agreement or commitment not to enforce a
497    patent against the party.
498    
499      If you convey a covered work, knowingly relying on a patent license,
500    and the Corresponding Source of the work is not available for anyone
501    to copy, free of charge and under the terms of this License, through a
502    publicly available network server or other readily accessible means,
503    then you must either (1) cause the Corresponding Source to be so
504    available, or (2) arrange to deprive yourself of the benefit of the
505    patent license for this particular work, or (3) arrange, in a manner
506    consistent with the requirements of this License, to extend the patent
507    license to downstream recipients.  "Knowingly relying" means you have
508    actual knowledge that, but for the patent license, your conveying the
509    covered work in a country, or your recipient's use of the covered work
510    in a country, would infringe one or more identifiable patents in that
511    country that you have reason to believe are valid.
512    
513      If, pursuant to or in connection with a single transaction or
514    arrangement, you convey, or propagate by procuring conveyance of, a
515    covered work, and grant a patent license to some of the parties
516    receiving the covered work authorizing them to use, propagate, modify
517    or convey a specific copy of the covered work, then the patent license
518    you grant is automatically extended to all recipients of the covered
519    work and works based on it.
520    
521      A patent license is "discriminatory" if it does not include within
522    the scope of its coverage, prohibits the exercise of, or is
523    conditioned on the non-exercise of one or more of the rights that are
524    specifically granted under this License.  You may not convey a covered
525    work if you are a party to an arrangement with a third party that is
526    in the business of distributing software, under which you make payment
527    to the third party based on the extent of your activity of conveying
528    the work, and under which the third party grants, to any of the
529    parties who would receive the covered work from you, a discriminatory
530    patent license (a) in connection with copies of the covered work
531    conveyed by you (or copies made from those copies), or (b) primarily
532    for and in connection with specific products or compilations that
533    contain the covered work, unless you entered into that arrangement,
534    or that patent license was granted, prior to 28 March 2007.
535    
536      Nothing in this License shall be construed as excluding or limiting
537    any implied license or other defenses to infringement that may
538    otherwise be available to you under applicable patent law.
539    
540      12. No Surrender of Others' Freedom.
541    
542      If conditions are imposed on you (whether by court order, agreement or
543  otherwise) that contradict the conditions of this License, they do not  otherwise) that contradict the conditions of this License, they do not
544  excuse you from the conditions of this License.  If you cannot  excuse you from the conditions of this License.  If you cannot convey a
545  distribute so as to satisfy simultaneously your obligations under this  covered work so as to satisfy simultaneously your obligations under this
546  License and any other pertinent obligations, then as a consequence you  License and any other pertinent obligations, then as a consequence you may
547  may not distribute the Program at all.  For example, if a patent  not convey it at all.  For example, if you agree to terms that obligate you
548  license would not permit royalty-free redistribution of the Program by  to collect a royalty for further conveying from those to whom you convey
549  all those who receive copies directly or indirectly through you, then  the Program, the only way you could satisfy both those terms and this
550  the only way you could satisfy both it and this License would be to  License would be to refrain entirely from conveying the Program.
551  refrain entirely from distribution of the Program.  
552      13. Use with the GNU Affero General Public License.
553  If any portion of this section is held invalid or unenforceable under  
554  any particular circumstance, the balance of the section is intended to    Notwithstanding any other provision of this License, you have
555  apply and the section as a whole is intended to apply in other  permission to link or combine any covered work with a work licensed
556  circumstances.  under version 3 of the GNU Affero General Public License into a single
557    combined work, and to convey the resulting work.  The terms of this
558  It is not the purpose of this section to induce you to infringe any  License will continue to apply to the part which is the covered work,
559  patents or other property right claims or to contest validity of any  but the special requirements of the GNU Affero General Public License,
560  such claims; this section has the sole purpose of protecting the  section 13, concerning interaction through a network will apply to the
561  integrity of the free software distribution system, which is  combination as such.
562  implemented by public license practices.  Many people have made  
563  generous contributions to the wide range of software distributed    14. Revised Versions of this License.
 through that system in reliance on consistent application of that  
 system; it is up to the author/donor to decide if he or she is willing  
 to distribute software through any other system and a licensee cannot  
 impose that choice.  
   
 This section is intended to make thoroughly clear what is believed to  
 be a consequence of the rest of this License.  
   
   8. If the distribution and/or use of the Program is restricted in  
 certain countries either by patents or by copyrighted interfaces, the  
 original copyright holder who places the Program under this License  
 may add an explicit geographical distribution limitation excluding  
 those countries, so that distribution is permitted only in or among  
 countries not thus excluded.  In such case, this License incorporates  
 the limitation as if written in the body of this License.  
564    
565    9. The Free Software Foundation may publish revised and/or new versions    The Free Software Foundation may publish revised and/or new versions of
566  of the General Public License from time to time.  Such new versions will  the GNU General Public License from time to time.  Such new versions will
567  be similar in spirit to the present version, but may differ in detail to  be similar in spirit to the present version, but may differ in detail to
568  address new problems or concerns.  address new problems or concerns.
569    
570  Each version is given a distinguishing version number.  If the Program    Each version is given a distinguishing version number.  If the
571  specifies a version number of this License which applies to it and "any  Program specifies that a certain numbered version of the GNU General
572  later version", you have the option of following the terms and conditions  Public License "or any later version" applies to it, you have the
573  either of that version or of any later version published by the Free  option of following the terms and conditions either of that numbered
574  Software Foundation.  If the Program does not specify a version number of  version or of any later version published by the Free Software
575  this License, you may choose any version ever published by the Free Software  Foundation.  If the Program does not specify a version number of the
576  Foundation.  GNU General Public License, you may choose any version ever published
577    by the Free Software Foundation.
578    10. If you wish to incorporate parts of the Program into other free  
579  programs whose distribution conditions are different, write to the author    If the Program specifies that a proxy can decide which future
580  to ask for permission.  For software which is copyrighted by the Free  versions of the GNU General Public License can be used, that proxy's
581  Software Foundation, write to the Free Software Foundation; we sometimes  public statement of acceptance of a version permanently authorizes you
582  make exceptions for this.  Our decision will be guided by the two goals  to choose that version for the Program.
583  of preserving the free status of all derivatives of our free software and  
584  of promoting the sharing and reuse of software generally.    Later license versions may give you additional or different
585    permissions.  However, no additional obligations are imposed on any
586                              NO WARRANTY  author or copyright holder as a result of your choosing to follow a
587    later version.
588    11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY  
589  FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN    15. Disclaimer of Warranty.
590  OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES  
591  PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED    THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592  OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF  APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS  HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594  TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE  OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595  PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596  REPAIR OR CORRECTION.  PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597    IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598    12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING  ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599  WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR  
600  REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,    16. Limitation of Liability.
601  INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING  
602  OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED    IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603  TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY  WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604  YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER  THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605  PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE  GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606  POSSIBILITY OF SUCH DAMAGES.  USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607    DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608                       END OF TERMS AND CONDITIONS  PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609    EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610              How to Apply These Terms to Your New Programs  SUCH DAMAGES.
611    
612      17. Interpretation of Sections 15 and 16.
613    
614      If the disclaimer of warranty and limitation of liability provided
615    above cannot be given local legal effect according to their terms,
616    reviewing courts shall apply local law that most closely approximates
617    an absolute waiver of all civil liability in connection with the
618    Program, unless a warranty or assumption of liability accompanies a
619    copy of the Program in return for a fee.
620    
621                         END OF TERMS AND CONDITIONS
622    
623                How to Apply These Terms to Your New Programs
624    
625    If you develop a new program, and you want it to be of the greatest    If you develop a new program, and you want it to be of the greatest
626  possible use to the public, the best way to achieve this is to make it  possible use to the public, the best way to achieve this is to make it
# Line 287  free software which everyone can redistr Line 628  free software which everyone can redistr
628    
629    To do so, attach the following notices to the program.  It is safest    To do so, attach the following notices to the program.  It is safest
630  to attach them to the start of each source file to most effectively  to attach them to the start of each source file to most effectively
631  convey the exclusion of warranty; and each file should have at least  state the exclusion of warranty; and each file should have at least
632  the "copyright" line and a pointer to where the full notice is found.  the "copyright" line and a pointer to where the full notice is found.
633    
634      <one line to give the program's name and a brief idea of what it does.>      <one line to give the program's name and a brief idea of what it does.>
635      Copyright (C) <year>  <name of author>      Copyright (C) <year>  <name of author>
636    
637      This program is free software; you can redistribute it and/or modify      This program is free software: you can redistribute it and/or modify
638      it under the terms of the GNU General Public License as published by      it under the terms of the GNU General Public License as published by
639      the Free Software Foundation; either version 2 of the License, or      the Free Software Foundation, either version 3 of the License, or
640      (at your option) any later version.      (at your option) any later version.
641    
642      This program is distributed in the hope that it will be useful,      This program is distributed in the hope that it will be useful,
# Line 304  the "copyright" line and a pointer to wh Line 645  the "copyright" line and a pointer to wh
645      GNU General Public License for more details.      GNU General Public License for more details.
646    
647      You should have received a copy of the GNU General Public License      You should have received a copy of the GNU General Public License
648      along with this program; if not, write to the Free Software      along with this program.  If not, see <http://www.gnu.org/licenses/>.
     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA  
   
649    
650  Also add information on how to contact you by electronic and paper mail.  Also add information on how to contact you by electronic and paper mail.
651    
652  If the program is interactive, make it output a short notice like this    If the program does terminal interaction, make it output a short
653  when it starts in an interactive mode:  notice like this when it starts in an interactive mode:
654    
655      Gnomovision version 69, Copyright (C) year name of author      <program>  Copyright (C) <year>  <name of author>
656      Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.      This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657      This is free software, and you are welcome to redistribute it      This is free software, and you are welcome to redistribute it
658      under certain conditions; type `show c' for details.      under certain conditions; type `show c' for details.
659    
660  The hypothetical commands `show w' and `show c' should show the appropriate  The hypothetical commands `show w' and `show c' should show the appropriate
661  parts of the General Public License.  Of course, the commands you use may  parts of the General Public License.  Of course, your program's commands
662  be called something other than `show w' and `show c'; they could even be  might be different; for a GUI interface, you would use an "about box".
663  mouse-clicks or menu items--whatever suits your program.  
664      You should also get your employer (if you work as a programmer) or school,
665  You should also get your employer (if you work as a programmer) or your  if any, to sign a "copyright disclaimer" for the program, if necessary.
666  school, if any, to sign a "copyright disclaimer" for the program, if  For more information on this, and how to apply and follow the GNU GPL, see
667  necessary.  Here is a sample; alter the names:  <http://www.gnu.org/licenses/>.
668    
669    Yoyodyne, Inc., hereby disclaims all copyright interest in the program    The GNU General Public License does not permit incorporating your program
670    `Gnomovision' (which makes passes at compilers) written by James Hacker.  into proprietary programs.  If your program is a subroutine library, you
671    may consider it more useful to permit linking proprietary applications with
672    <signature of Ty Coon>, 1 April 1989  the library.  If this is what you want to do, use the GNU Lesser General
673    Ty Coon, President of Vice  Public License instead of this License.  But first, please read
674    <http://www.gnu.org/philosophy/why-not-lgpl.html>.
 This General Public License does not permit incorporating your program into  
 proprietary programs.  If your program is a subroutine library, you may  
 consider it more useful to permit linking proprietary applications with the  
 library.  If this is what you want to do, use the GNU Library General  
 Public License instead of this License.  
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