Fix the default shell

Go with whatever is set by SSH, and fall back to "linux" if the terminal is not available.

This fixes #1975
Merge pull request #1976 from dagwieers/shell-term

Fix the default terminal
projects/ARCTIC_MC: use fglrx-legacy driver

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xbmc: fix XVBA build with legacy/non-legacy gpu drivers

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xbmc: add PR2320

Signed-off-by: Stephan Raue <stephan@openelec.tv>
vboxguest: update to vboxguest-4.2.8
xf86-video-virtualbox: update to xf86-video-virtualbox-4.2.8
projects/*/linux: disable NAMESPACES support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/*/linux: disable SCHED_AUTOGROUP support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/*/linux: disable CGROUPS support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/*/linux: disable IOMMU support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/*/linux: disable AIO support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/*/linux: disable VM86 support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv
xbmc/udev: wait for udevadm settle to finish

fixes #2000
Merge remote-tracking branch 'upstream/master' into openelec-settings