add profile and level checking in ParamValidation
unify parseonly to have 0x0001
modify trace info for LEVEL_UNKNOWN
Merge pull request #1670 from ruil2/level

add profile and level checking in ParamValidation
Add SPS/SubSPS/PPS update when AU number==0 and iOverwriteFlags==true
Add TotalNumMbRec>0 judgement for EC
Merge pull request #1673 from HaiboZhu/Debug_Crash_NoAU_SPS_Update

Add SPS/SubSPS/PPS update when AU number==0 and iOverwriteFlags==true
Merge pull request #1672 from huili2/parseonly_sizemodif

unify parseonly to have 0x0001
Merge branch 'master' of https://github.com/cisco/openh264 into rc_timestamp

Conflicts:
	codec/encoder/core/src/encoder_ext.cpp