* commit '71f7b22d':
  ffv1: split decoder and encoder

Conflicts:
	libavcodec/Makefile
	libavcodec/ffv1.c
	libavcodec/ffv1.h
	libavcodec/ffv1dec.c
	libavcodec/ffv1enc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>