bump addons
gdb: build with GOLD linker again

Signed-off-by: Stephan Raue <stephan@openelec.tv>
linux: update to linux-3.10.10

Signed-off-by: Stephan Raue <stephan@openelec.tv>
udevil: dont mount disks in 'installer' mode

Signed-off-by: Stephan Raue <stephan@openelec.tv>
add optional /storage/.cache/debug.openelec to enable debugging
xorg-server: cleanup. debug.xorg not used anymore with systemd
Merge remote-tracking branch 'upstream/master' into openelec-systemd