udevil: set /var/media to allowed udevil mount dirs

Signed-off-by: Stephan Raue <stephan@openelec.tv>
atvclient: start per udev

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv
projects/Generic*: build and install atvclient support (usefull on Mac Mini)

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Mesa: update to Mesa-9.2.0

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xf86-video-nvidia-legacy: update to xf86-video-nvidia-legacy-304.108

Signed-off-by: Stephan Raue <stephan@openelec.tv>