Merge remote-tracking branch 'qatar/master'

* qatar/master:
  h263dec: Propagate AV_LOG_ERRORs from slice decoding through frame decoding with sufficient error recognition
  x86: cabac: don't load/store context values in asm
  H.264: optimize CABAC x86 asm for Atom
  vp3/theora: flush after seek.
  doc/fftools-common-opts: wording fixes missing from the previous commit.
  doc: document using AVOptions in fftools.
  cmdutils: add codec_opts parameter to setup_find_stream_info_opts()
  cmdutils: clarify documentation for filter_codec_opts()
  cmdutils: clarify documentation for setup_find_stream_info_opts()
  lavf: add forgotten attribute_deprecated to av_find_stream_info()

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