libtifiles: for dealing with ZIP files, use an external libarchive instead of an embedded minizip.

Patch by Benjamin Moody.

git-svn-id: http://svn.tilp.info/repos/tilp/gfm/trunk@4474 11ccfa89-a3ba-0310-a1af-c6a367506c11
libtifiles, libticalcs, gfm, tilp: fix more compiler warnings reported (or made more visible) by clang.

git-svn-id: http://svn.tilp.info/repos/tilp/gfm/trunk@4479 11ccfa89-a3ba-0310-a1af-c6a367506c11
gfm, tilp: compile manpage cleaner with host compiler (borrowing Benjamin Moody's code from libticalcs' configure).

Reported by calc84maniac.

git-svn-id: http://svn.tilp.info/repos/tilp/gfm/trunk@4480 11ccfa89-a3ba-0310-a1af-c6a367506c11
tfdocgen, libticonv, libtifiles, libticables, libticalcs, tilp: update ChangeLog and RELEASE files.

git-svn-id: http://svn.tilp.info/repos/tilp/gfm/trunk@4483 11ccfa89-a3ba-0310-a1af-c6a367506c11