JVET-AJ0237: 12-bit internal bit depth modifications for ECM

source/App/EncoderApp/EncAppCfg.cpp

source/Lib/CommonLib/AdaptiveLoopFilter.cpp

source/Lib/CommonLib/AdaptiveLoopFilter.h

source/Lib/CommonLib/AlfParameters.h

source/Lib/CommonLib/BilateralFilter.cpp

source/Lib/CommonLib/BilateralFilter.h

source/Lib/CommonLib/CommonDef.h

source/Lib/CommonLib/InterPrediction.cpp

source/Lib/CommonLib/InterPrediction.h

source/Lib/CommonLib/InterpolationFilter.cpp

source/Lib/CommonLib/InterpolationFilter.h

source/Lib/CommonLib/IntraPrediction.cpp

source/Lib/CommonLib/IntraPrediction.h

source/Lib/CommonLib/Picture.cpp

source/Lib/CommonLib/Rom.cpp

source/Lib/CommonLib/Rom.h

source/Lib/CommonLib/SampleAdaptiveOffset.cpp

source/Lib/CommonLib/Slice.h

source/Lib/CommonLib/TrQuant.cpp

source/Lib/CommonLib/TypeDef.h