Merge branch 'master' into 'JVET-P0615'

source/App/DecoderApp/DecApp.cpp

source/Lib/CommonLib/InterPrediction.cpp

source/Lib/CommonLib/Picture.h

source/Lib/CommonLib/Slice.cpp

source/Lib/CommonLib/Slice.h

source/Lib/CommonLib/TypeDef.h

source/Lib/CommonLib/UnitTools.cpp

source/Lib/CommonLib/UnitTools.h

source/Lib/DecoderLib/DecLib.cpp

source/Lib/DecoderLib/VLCReader.cpp

source/Lib/EncoderLib/EncLib.cpp

source/Lib/EncoderLib/VLCWriter.cpp