add maxbitrate verification
Merge pull request #1553 from ruil2/max2

    add maxbitrate verification
comment output info with FREEZE
add parse only comment in API
remove some unused code
add timestamp in decoder
Merge pull request #1557 from dongzha/AddDecoderTimeStampNew

add timestamp in decoder
Merge pull request #1556 from ruil2/max2

remove some unused code
Remove the SPS/PPS exist ahead reset logic and change the CheckSpsActive logic
Merge pull request #1555 from huili2/comment_API_parseonly

add parse only comment in API
Merge pull request #1558 from huili2/comment_outputlog

comment output info with FREEZE
cleanup macro definition
remove some macro definitions in header files
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