linux: update to linux-3.11.6
Merge pull request #2709 from pershoot/staging

linux: update to linux-3.11.6
connman: stop by SIGKILL

or connman may clear current ip configuration on shutdown
before nfs-mounted /storage is umounted
vdr-plugin-vnsiserver: remove unused patch
vdr-plugin-streamdev: update to vdr-plugin-streamdev-a9c2adb
vdr: update to vdr-2.1.2
rtmpdump: install rtmpdump binary

this reverts part of f4fd322f
xbmc: remove unused patches
xbmc: update to xbmc-13.alpha-ed1d9c7