Log Message:
Update to 6.8.1. Changes since 6.8.0:

Aaron Plattner (1):
      Make sure the screen is a mach64 screen before doing anything in
ATIMach64XVInitialiseAdaptor.

Adam Jackson (1):
      Don't print the resource list on failure.

Alan Coopersmith (3):
      Add README with pointers to mailing list, bugzilla & git repos
      Convert to XORG_CWARNFLAGS & XORG_CHANGELOG
      Version 6.8.1

Paulo Cesar Pereira de Andrade (1):
      Remove xf86{Disable,Enable}Interrupts