xbmc: add upstream fixes

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xbmc: add PR2403

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/ATV: dont install upower, not needed after XBMC-PR2403

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv into openelec-3.0