Merge pull request #39 from ebfe/radvd

add radvd
add docker
runit/1: mount cgroups

This is not possible via fstab since they are nested in a tmpfs.
We need seperate mounts for docker 0.9+.
add mdadm
Add zzz, a simple suspend/hibernate script with hooks
Add modules-load.d(5) compatible kernel module loader
Add halt(8) and shutdown(8)
eth0, wlan0: stop dhcpcd from fucking around with the system or starting wpa_supplicant itself
README: mention Xorg.wrap