some minor typo and grammar fixes
Merge pull request #2545 from ysim/contributing-readme-changes

some minor typo and grammar fixes
projects/*/linux: remove option to disable GPU powermanagement on remaining projects

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv
xkb-setup: clean up
tvheadend: rework start/stop/suspend. prepare for systemd
boblightd: rework start/stop/suspend. prepare for systemd
vdr: rework start/stop/suspend. prepare for systemd
hdhomerun: prepare for systemd
sundtek-mediatv: prepare for systemd
tvheadend: always reload userspace dvb drivers on restart
vdr: always reload userspace dvb drivers on restart
vdr: clean up a leftover
xbmc: update to xbmc-12.2-18397e1

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv
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>
Python: fix modules install