* qatar/master:
  Fixed segfault with wavpack decoder on corrupted decorrelation terms sub-blocks.
  avconv: move audio_channels to the options context.
  avconv: move *_disable to options context.
  avconv: remove -[vas]lang options.
  avconv: move codec tags to options context.
  cljr: init_get_bits size in bits instead of bytes
  indeo2: fail if input buffer too small
  indeo2: init_get_bits size in bits instead of bytes
  ffv1: Fixed size given to init_get_bits() in decoder.

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