Merge remote-tracking branch 'qatar/master'

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  libvpxenc: use the default bitrate if not set
  utvideo: Rename utvideo.c to utvideodec.c
  doc: Fix syntax errors in sample Emacs config
  mjpegdec: more meaningful return values
  configure: clean up Altivec detection
  getopt: Remove an unnecessary define
  rtmp: Use int instead of ssize_t
  getopt: Add missing includes
  rtmp: Add support for receiving incoming streams
  Add missing includes for code relying on external libraries

Conflicts:
	libavcodec/libopenjpegenc.c
	libavcodec/libvpxenc.c
	libavcodec/mjpegdec.c
	libavformat/version.h

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