* commit '1481d24c':
  RGBA64 pixel formats

Conflicts:
	doc/APIchanges
	libavutil/pixdesc.c
	libavutil/pixfmt.h
	libavutil/version.h
	libswscale/utils.c

See: 9569a3c9
See: 92afb431, as well as others
Note: the enum values added in libav are incompatible/different to what ffmpeg used since 3 years
Merged-by: Michael Niedermayer <michaelni@gmx.at>