PulseAudio: Enable automatically if required headers are available
AESinkPULSE: Don't add devices with empty channel map
AESinkPULSE: If we cannot get the buffer from stream we have a problem
AESinkPULSE: Change LOGERROR to LOGNOTICE as this would be in every logfile on linux world
AESinkPULSE: Return False so that ActiveAE can open us with correct device name again
[ios7/ios/atv2] - link statically against libmpeg2 - since ios7 we crash and burn when we load libmpeg2 as dylib - closes #14813
AESinkFactory: Introduce env AE_SINK and only enumerate one family
AESinkPULSE: Add constructor for SinkInfoStruct to have it initialized
Merge pull request #4032 from Memphiz/ios7mpeg2crash

[ios7/ios/atv2] - link statically against libmpeg2 - since ios7 we crash...
[addons] add ABI version to xbmc.pvr addon to prevent breakage
[addons] set PVR repo to gotham and add minimum PVR version
Merge pull request #3997 from fritsch/pulseaudio-pr

AESinkPULSE: Enable automatically if required headers are available
videoplayer: adapt lateness detection and dropping to buffering
video player: present correct pts to user for a/v sync (after buffering in renderer)
videoplayer: some rework and documentation
renderer: bump buffers to 5
videoplayer: update frametime, it might change due to fps detection
videoplayer: give streams with invalid fps a chance for fps detection
dvdplayer: allow rewinding at end of stream, do a seek after rewind
X11: ditch SDL for video and window events