Merge remote-tracking branch 'qatar/master'

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  changelog: misc typo and wording fixes
  H.264: add filter_mb_fast support for >8-bit decoding
  doc: Remove outdated comments about gcc 2.95 and gcc 3.3 support.
  lls: use av_lfg instead of rand() in test program
  build: remove unnecessary dependency on libs from 'all' target
  H.264: avoid redundant alpha/beta calculations in loopfilter
  H.264: optimize intra/inter loopfilter decision
  mpegts: fix Continuity Counter error detection
  build: remove unnecessary FFLDFLAGS variable
  vp8/mt: flush worker thread, not application thread context, on seek.
  mt: proper locking around release_buffer calls.
  DxVA2: unbreak build after [657ccb5ac75ce34e62bd67f228d9bd36db72189e]
  hwaccel: unbreak build
  Eliminate FF_COMMON_FRAME macro.

Conflicts:
	Changelog
	Makefile
	doc/developer.texi
	libavcodec/avcodec.h
	libavcodec/h264.c
	libavcodec/mpeg4videodec.c

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