Merge commit 'ec36aa69'

* commit 'ec36aa69':
  x86: Fix linking with some or all of yasm, mmx, optimizations disabled
  configure: Add more fine-grained SSE CPU capabilities flags
  avfilter: x86: Use more precise compile template names
  x86: cosmetics: Comment some #endifs for better readability
  g723_1: add comfort noise generation
  utvideoenc: Switch to dsputils' median prediction
  utvideoenc: Avoid writing into the input picture
  avtools: remove the distinction between func_arg and func2_arg.
  avconv: make the -passlogfile option per-stream.
  avconv: make the -pass option per-stream.
  cmdutils: make -codecs print lossy/lossless flags.
  lavc: add lossy/lossless codec properties.

Conflicts:
	Changelog
	cmdutils.c
	configure
	doc/APIchanges
	ffmpeg.h
	ffmpeg_opt.c
	ffprobe.c
	libavcodec/codec_desc.c
	libavcodec/g723_1.c
	libavcodec/utvideoenc.c
	libavcodec/version.h
	libavcodec/x86/mpegaudiodec.c
	libavcodec/x86/rv40dsp_init.c

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