Qt: "Append TO Battle Group"
Qt-client has Battle Groups menu entries of form "Append Battle Group" while gtk clients have similar as "Append to Battle Group" Unify these, to reduce number of translatable strings if for no other reason.
Qt-client has Battle Groups menu entries of form "Append Battle Group" while gtk clients have similar as "Append to Battle Group" Unify these, to reduce number of translatable strings if for no other reason.