Merge pull request #4549 from koying/fixamcinitcolor

FIX: [mediacodec] fixup initial output format for software rendering
Merge pull request #4550 from koying/fixstfinbufsize

FIX: [stagefright] adjust input mediabuffer size
Merge pull request #4527 from Jalle19/fix-timeline-navigation

[epg] Fix navigating to the sidebar with cursor keys
Merge pull request #4568 from MartijnKaijser/fix_pydoc2

[pydocs] update xbmc.PlaySFX example after 770091c
Merge pull request #4564 from koying/fixmediakeys

FIX: [keyboard;droid] add mappable media keys for rewind and fastforward
Merge pull request #4547 from jesshaas/curl-socket-error

Add EINTR check to select in CCurlFile::FillBuffer. Fixes bug#15019
Merge pull request #4557 from arnova/nginx_filesize

Nginx filesize was broken for some configs
Merge pull request #4567 from koying/fixamcbuffers

FIX: [mediacodec] make sure the output buffer is released from the SurfaceView queue
Merge pull request #4569 from koying/fixamcreleasebuffer

FIX: [mediacodec] properly release output buffer if AddProcessor is not called
Revert "[osx] drop outputbuffer index and iterate over them all"

This reverts commit b9a1d07a7d1a2bec3bb094b97cc7d96a325b9b98.

Conflicts:
	xbmc/cores/AudioEngine/Sinks/AESinkDARWINOSX.cpp
[darwinsink] - use fixed outputbuffer with idx 0