Merge branch 'clean_mv_precision' into 'master'

source/Lib/CommonLib/CommonDef.h

source/Lib/CommonLib/ContextModelling.cpp

source/Lib/CommonLib/InterPrediction.cpp

source/Lib/CommonLib/InterPrediction.h

source/Lib/CommonLib/InterpolationFilter.cpp

source/Lib/CommonLib/InterpolationFilter.h

source/Lib/CommonLib/LoopFilter.cpp

source/Lib/CommonLib/Mv.cpp

source/Lib/CommonLib/Mv.h

source/Lib/CommonLib/UnitTools.cpp

source/Lib/CommonLib/dtrace_blockstatistics.cpp

source/Lib/DecoderLib/DecCu.cpp

source/Lib/EncoderLib/InterSearch.cpp