Merge commit 'ab2539bd'

* commit 'ab2539bd':
  ffv1: Convert to the new bitstream reader
  h261dec: Convert to the new bitstream reader
  shorten: Convert to the new bitstream reader
  ralf: Convert to the new bitstream reader
  loco: Convert to the new bitstream reader
  fic: Convert to the new bitstream reader
  dirac: Convert to the new bitstream reader
  cavs: Convert to the new bitstream reader
  aic: Convert to the new bitstream reader
  golomb: Convert to the new bitstream reader

This commit is a noop, see
http://ffmpeg.org/pipermail/ffmpeg-devel/2017-April/209609.htmlMerged-by: James Almer <jamrial@gmail.com>