optimized hls_mvd_coding
Added support for B slice deblocking
Also less duplicated code in bs calculation
Merge pull request #4 from stseppo/deblocking_dev

Added support for B slice deblocking
hevc: lp, ld decoding support
hevc: adding pointer to the current frame instead of using poc_idx
Conflicts:
	libavcodec/hevc.c
hevc: move is_pcm and cbf_luma table
fix ra sequences
hevc: fix poc_idx
Fixed compiling in ubuntu 12.04
Merge pull request #5 from stseppo/optimizations

optimized hls_mvd_coding