Bump GPLv2+ to GPLv3+ for some files, clarify BSD 2-clause.
Everything else stays under GPLv3+.
New Linking Exception exempts resulting executables from LGPLv3 section 4.
Add CONTRIBUTORS file to keep track of licensing.
Remove 'Copyright Red Hat Inc' comments.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* tzmap-from-unicode.org: New script to create tzmap.h.
* tzmap.h: New auto-generated file.
* tzset.c: Drop tzmap from here and include tzmap.h instead. Drop
Windows 2000 considerations.
Corinna Vinschen