Updated 4 package(s).

bbswitch: 0.4.1-2 -> 0.5-2
bumblebee: 3.0-3 -> 3.0.1-4
virtualgl: 2.3-2 -> 2.3.2-1
xf86-video-nouveau: 0.0.16_git20120210-1 -> 1.0.4-1

Signed-off-by: huntxu <mhuntxu@gmail.com>