Merge branch 'master' into 'Q0468-min-Luma-CU-size'

...onCTC-SliceConfigExamples/subpicture_4Slice2VerSubPic.cfg

source/App/DecoderApp/DecApp.cpp

source/App/DecoderApp/DecAppCfg.cpp

source/App/DecoderApp/DecAppCfg.h

source/Lib/CommonLib/Slice.cpp

source/Lib/CommonLib/Slice.h

source/Lib/CommonLib/TypeDef.h

source/Lib/DecoderLib/DecLib.cpp

source/Lib/DecoderLib/DecLib.h

source/Lib/DecoderLib/DecSlice.cpp

source/Lib/DecoderLib/VLCReader.cpp

source/Lib/DecoderLib/VLCReader.h

source/Lib/EncoderLib/EncSlice.cpp

source/Lib/EncoderLib/VLCWriter.cpp

source/Lib/EncoderLib/VLCWriter.h