JVET-P0059: Enable BDPCM for Chroma

cfg/444/yuv444.cfg

doc/software-manual.tex

source/App/EncoderApp/EncApp.cpp

source/App/EncoderApp/EncAppCfg.cpp

source/App/EncoderApp/EncAppCfg.h

source/Lib/CommonLib/Contexts.cpp

source/Lib/CommonLib/DepQuant.cpp

source/Lib/CommonLib/IntraPrediction.cpp

source/Lib/CommonLib/LoopFilter.cpp

source/Lib/CommonLib/Quant.cpp

source/Lib/CommonLib/QuantRDOQ.cpp

source/Lib/CommonLib/Slice.cpp

source/Lib/CommonLib/Slice.h

source/Lib/CommonLib/TrQuant.cpp

source/Lib/CommonLib/TypeDef.h

source/Lib/CommonLib/Unit.cpp

source/Lib/CommonLib/Unit.h

source/Lib/CommonLib/UnitTools.cpp

source/Lib/CommonLib/dtrace_blockstatistics.cpp

source/Lib/CommonLib/dtrace_blockstatistics.h