Merge branch 'AJ0081_test2.18' into 'master'

source/Lib/CommonLib/CommonDef.h

source/Lib/CommonLib/Contexts.h

source/Lib/CommonLib/Contexts_ecm14.0.inl

source/Lib/CommonLib/IntraPrediction.cpp

source/Lib/CommonLib/IntraPrediction.h

source/Lib/CommonLib/TypeDef.h

source/Lib/CommonLib/Unit.cpp

source/Lib/CommonLib/Unit.h

source/Lib/CommonLib/UnitTools.cpp

source/Lib/CommonLib/UnitTools.h

source/Lib/DecoderLib/CABACReader.cpp

source/Lib/DecoderLib/CABACReader.h

source/Lib/DecoderLib/DecCu.cpp

source/Lib/EncoderLib/CABACWriter.cpp

source/Lib/EncoderLib/CABACWriter.h

source/Lib/EncoderLib/EncCu.cpp

source/Lib/EncoderLib/IntraSearch.cpp

source/Lib/EncoderLib/IntraSearch.h