xbmc: add dvdplayer fixes, sync omxplayer with dvdplayer

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xbmc: add PR2537

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xbmc: add PR2549

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xbmc: add PR2435

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

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