Supports HM9.2 bitstream

updated cabac sao_type_idx initialization
updated cabac split_transform_flag initialization
updated VPS parsing
moved vps_temporal_id_nesting_flag
minor white space fixes for get_bits calls
hm10.0rc1 support

flags moved in PPS
more reserved bits in profile tier level
vps_timing_info_present_flag related changes in VPS