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* Makefile.am (MAINTAINERCLEANFILES): Don't remove COPYING. * .cvsignore: Don't ignore it. * .gitignore: Likewise. * COPYING: Store in repository, per automake 1.10.2 recommendation. * m4/gnulib-cache.m4: Replace fdl module with fdl-1.3. * doc/m4.texinfo (GNU Free Documentation License): Upgrade license. * doc/Makefile.am (m4_TEXINFOS): Likewise. Signed-off-by: Eric Blake <ebb9@byu.net>