copy of COPYING.LIB (moved from the mysys subdirectory) instead of 
   creating it on the fly out of the manual.


COPYING.LIB:
  Rename: mysys/COPYING.LIB -> COPYING.LIB
Docs/Makefile.am:
   - Don't build COPYING.LIB from manual.texi anymore (section was removed
     from the manual)