Merge remote-tracking branch 'qatar/master'

* qatar/master:
  fate: Work around non-standard wc implementations at more places
  fate: work around non-standard wc implementations
  x86: rv40: Mark rv40_weight functions as MMX2; they use MMX2 instructions.
  ac3dsp: simplify x86 versions of ac3_max_msb_abs_int16
  fate: use standard diff options
  tta: Fix comment about channel number; TTA supports >2 channels.
  avfilter: Move ff_get_ref_perms_string() to where it is used.
  build: Add 'check' target to run all compile and test targets.
  indeo3: validate new frame size before resetting decoder
  indeo3: when freeing buffers, set pointers referencing them to NULL as well
  indeo3: initialise pixel planes on allocation
  indeo3: ensure that decoded cell data is in 7-bit range as presumed by decoder
  fate: rename psx-str-v3-mdec to mdec-v3
  fate: convert psx-str to a demuxer test
  lavf: add mdec to is_intra_only() list

Conflicts:
	doc/developer.texi
	libavcodec/indeo3.c
	libavfilter/video.c
	libavformat/utils.c
	tests/fate/demux.mak
	tests/fate/video.mak
	tests/lavf-regression.sh
	tests/ref/vsynth1/cljr
	tests/ref/vsynth1/ffvhuff
	tests/ref/vsynth2/cljr
	tests/ref/vsynth2/ffvhuff

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