* release/0.8: (82 commits)
  Fix version numbers
  rtp: disable udp fifos, the rtp code cannot work with the fifos in its current form as rtp bypasses the public API.
  udp: allow fifo size to be tuned seperately
  riff: Add mpgv MPEG-2 fourcc
  Update Changelog
  matroskadec: fix integer underflow if header length < probe length.
  ffmpeg: fix operation with --disable-avfilter
  vf_libopencv: replace opencv/cxtypes.h #include by opencv/cxcore.h
  build: Create mlib optimization directories during out-of-tree builds.
  changelog: misc typo and wording fixes (cherry picked from commit b047941d)
  doc: Remove outdated comments about gcc 2.95 and gcc 3.3 support. (cherry picked from commit 5ccbf809

)
  matroskadec: matroska_read_seek after after EBML_STOP leads to failure.
  Update RELEASE file
  update Changelog
  mt: proper locking around release_buffer calls.
  vp8/mt: flush worker thread, not application thread context, on seek.
  docs: Mention the upstream bugzilla url about the dlltool vs MSVC issue
  docs: Use proper markup for a literal command line option
  docs: Don't recommend adding --enable-memalign-hack
  docs: Remove needless configure options
  ...

Conflicts:
	VERSION
	libavcodec/opt.h
	libavformat/utils.c

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