hevc/rext: fix motion compensation
remove traces
hevc: fixing 4:4:4 deblocking filter
hevc: puck back optimized functions
hevc/rext: fix sps_strong_intra_smoothing_enable_flag and
intra_smoothing_disabled_flag for 4:4:4
hevc/rext: fixing SAO for 4:2:2
Merge remote-tracking branch 'origin/rext' into rext_new_mc

Conflicts:
	libavcodec/hevc.c
Merge branch 'rext_new_mc' of https://github.com/OpenHEVC/openHEVC.git into rext_new_mc