Unstable nVidia video driver fun

Thanks to guys from nvnews who announced pre-release drivers as stable ones non-working packages got to Titanium ready tree. After dozens and dozens of threads about how badly these drivers are broken they gave them pre-release status again.

Broken packages are being removed from Titanium right know. Those who upgraded xorg-driver-video-nvidia to 180.35 will have to manually downgrade to 180.29. Sorry for that. Also those using xorg-driver-video-nvidia-legacy2 96_43_11 may encounter some problems (they were marked as pre-release again too).