Stub COPYING files

COPYING

+This is a stub file.  This package has not yet had its complete licensing
+information compiled.  Please see the individual source files for details on
+your rights to use and modify this software.
+
+Please submit updated COPYING files to the Xorg bugzilla:
+
+https://bugs.freedesktop.org/enter_bug.cgi?product=xorg
+
+All licensing questions regarding this software should be directed at the
+Xorg mailing list:
+
+http://lists.freedesktop.org/mailman/listinfo/xorg