libticonv, libtifiles, libticables, libticalcs, gfm, tilp: update ChangeLog and RELEASE.

git-svn-id: http://svn.tilp.info/repos/tilp/libtifiles/trunk@4498 11ccfa89-a3ba-0310-a1af-c6a367506c11
libtifiles: improve tifiles_group_files and tifiles_ungroup_file.

git-svn-id: http://svn.tilp.info/repos/tilp/libtifiles/trunk@4501 11ccfa89-a3ba-0310-a1af-c6a367506c11