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

git-svn-id: http://svn.tilp.info/repos/tilp/libticonv/trunk@4498 11ccfa89-a3ba-0310-a1af-c6a367506c11
libticonv: fix ticonv_utf16_to_ti9x wrt. xbar and ybar. Followup to r4481.

git-svn-id: http://svn.tilp.info/repos/tilp/libticonv/trunk@4503 11ccfa89-a3ba-0310-a1af-c6a367506c11