Merge branch 'JVET-Z0153' into 'master'

source/Lib/CommonLib/CodingStructure.cpp

source/Lib/CommonLib/InterPrediction.cpp

source/Lib/CommonLib/InterPrediction.h

source/Lib/CommonLib/TypeDef.h

source/Lib/CommonLib/UnitTools.cpp

source/Lib/DecoderLib/DecCu.cpp

source/Lib/DecoderLib/DecLib.cpp

source/Lib/DecoderLib/DecSlice.cpp

source/Lib/EncoderLib/EncLib.cpp

source/Lib/EncoderLib/InterSearch.cpp

source/Lib/EncoderLib/InterSearch.h