* commit '3f111804':
  libvpx: make vp8 and vp9 selectable
  libvpx: support vp9
  nut: support vp9 tag
  mkv: support vp9 tag
  rtpdec: Make variables that should wrap unsigned

Conflicts:
	configure
	libavcodec/Makefile
	libavcodec/allcodecs.c
	libavcodec/avcodec.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>