Allow dashes in music videos on the first pass
[Fix] Possible NULL pointer dereference in DVDFactoryDemuxer.
[ffmpeg] updated and reformated ffmpeg/patches/README-patches
Merge pull request #2635 from FlyingRat/ffmpeg-readme-patches

[ffmpeg] updated and reformated ffmpeg/patches/README-patches
[dvdread] - don't check the return value of chdir in xbmc - this function is not wrapped and might fail (and so will the whole dvd open in that case). This is non fatal for our vfs!
Merge pull request #2632 from ace20022/fix_null_pointer

[Fix] Possible NULL pointer dereference in DVDFactoryDemuxer.
Merge pull request #2624 from ScudLee/musicvideodashfix

Allow dashes in music videos on the first pass
VideoRenerers: add buffering
add buffering for GLES
WinRenderer: add buffering
DXVA: activate buffering in renderer
linuxrenderer: delete all textures on reconfigure
drop frame counter in application, ask render manager instead
vaapi: adopt to buffering in renderer
add buffering - some documentation
move NUM_BUFFERS up to BaseRenderer.h
OverlayRenderer: align buffers with index in renderManager
add buffering - submit absolute time to render buffers
RenderManager: some rework to buffering
dvdplayer: disable buffering unil dropping is improved