* commit '1ae44c87':
  lavfi/gradfun: remove rounding to match C and SSE code.
  lavfi/gradfun: fix dithering in MMX code.
  lavfi/gradfun: fix rounding in MMX code.
  lavfi/gradfun: do not increment DC pointer for odd values.
  fate: filter: Add dependencies
  avconv: add options for reading filtergraphs from a file.

Conflicts:
	Changelog
	doc/ffmpeg.texi
	doc/filters.texi
	ffmpeg.h
	ffmpeg_opt.c
	libavfilter/vf_gradfun.c
	tests/fate/filter.mak
Merged-by: Michael Niedermayer <michaelni@gmx.at>