Merge remote-tracking branch 'qatar/master'

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  mp3dec: perform I/S and M/S only when frame mode is joint stereo.
  id3v2: add another mimetype for JPEG image
  lzw: prevent buffer overreads.
  WMAL: Remove inaccurate and unnecessary doxy
  h264: fix cabac-on-stack after safe cabac reader.
  truemotion2: convert packet header reading to bytestream2.

Conflicts:
	libavcodec/lzw.c
	libavcodec/truemotion2.c
	libavformat/id3v2.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>