Remove the SPS/PPS exist ahead reset logic and change the CheckSpsActive logic
cleanup macro definition
Add asm code for decoder cabac
Merge pull request #1562 from zhilwang/asm-cabac

Add asm code for decoder cabac
Merge pull request #1560 from ruil2/max2

cleanup macro definition
Merge pull request #1559 from HaiboZhu/EC_off_crash_no_output

Debug for (1) decoder crash when delay decoding (2) no output when EC off
Merge pull request #1561 from ruil2/cleanup

remove some macro definitions in header files
add iBitsVaryPercentage parameters to control bitrate