bluebook: enable s3tc opengl extensions
bluebook: enable redshift
bluebook: try out kernel 3.12
upgrade to 3.12 globally

- btrfs patches no longer needed
bluebook: try without bbswitch - should be in 3.12
homedirs/mathijs(dev): add gccgo
homedirs/mathijs(dev): fix haskell/ghc env
efi cd: use system-generic kernel, as bluenix is efi-capable (3.10+) anyway
bluebook: fully disable nvidia for now

and re-enable bbswitch
- 3.12 has switcheroo support (in nouveau)
- nouveau has issues with hibernation (+suspend I think)
- so we stick to the old ways
- try again om 3.13
mathijs homedir: add rethinkdb
Merge branch 'stable'
bluebook:home/mathijs: add remmina - freerdp gui
forgot to remove a temporary hack
homedir/mathijs/haskell: add pipes family of packages
homedir/mathijs/bluebook: add oxygen-gtk and bitcoin