Revert "xbmc: add crosscompile-mess-fix-patch, revert if switching to XBMC vanilla"

This reverts commit 1510929afe8048a46d7b19ce4361ba19a321078d.
Revert "xbmc: depends on ffmpeg again, revert if switching to XBMC vanilla"

This reverts commit 15124cb99e3ddfbda869dec96a3392be96d116f6.
Revert "xbmc: update FM patches, revert if switching to XBMC vanilla"

This reverts commit b0fd40f8e14c0152b5838fdc349ab3e7ac4a0d49.
Revert "new package: readd package 'ffmpeg', revert if switching to XBMC vanilla"

This reverts commit dc6715d3b63f3b8d45df602f45d952717ec1a8db.
projects/Cuboxi: add project specific advancedsettings.xml

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xbmc: update to xbmc-13.alpha-18cebf0. rebase and update FM patch
projects/RPi/linux: add BCM2708 DMA devices support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge pull request #2937 from stefansaraev/ffmpeg-mess

ffmpeg mess
CONTRIBUTING.md: update
clean up HOSTNAME

we dont need this anymore. thanks @kivutar
samba: dont install systemd services if SAMBA_SERVER is not enabled

closes #2945
xbmc: update to xbmc-13.alpha-4af3b54

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