- major cleanup
* removed obsolete/broken drivers: xf86-video-impact,
xf86-video-nsc, xf86-video-vga, xf86-video-xgi,
xf86-video-xgixp (+ patches)
* removed special and never working RANDR 1.2 mga driver
1.9.100 + patches; xf86-video-mga 1.4.11 remains of course
* removed no longer appliable r128/radeon patches:
xf86-video-ati-6.7.197-r128-xvideo.patch,
xf86-video-ati-es1000.diff
* renamed copy-fb.patch to xf86-video-intel-copy-fb.diff
* specfile cleanup

- Another build fix for copy-fb.patch.

- Updated patches to apply cleanly.

- Add adapted copyfb patch from Moblin project and enable by default.