JVET-N0671: Support of 4:4:4 and 4:2:2 chroma formats in VVC

source/App/EncoderApp/EncAppCfg.cpp

source/App/EncoderApp/encmain.cpp

source/Lib/CommonLib/CrossCompPrediction.cpp

source/Lib/CommonLib/InterPrediction.cpp

source/Lib/CommonLib/IntraPrediction.cpp

source/Lib/CommonLib/RdCost.cpp

source/Lib/CommonLib/TypeDef.h

source/Lib/CommonLib/UnitTools.cpp

source/Lib/CommonLib/dtrace_blockstatistics.cpp

source/Lib/DecoderLib/DecLib.cpp

source/Lib/DecoderLib/VLCReader.cpp

source/Lib/Utilities/VideoIOYuv.cpp