JVET-M0253: Hash-based motion search

source/App/EncoderApp/EncApp.cpp

source/App/EncoderApp/EncAppCfg.cpp

source/App/EncoderApp/EncAppCfg.h

source/Lib/CommonLib/Hash.cpp

source/Lib/CommonLib/Hash.h

source/Lib/CommonLib/Picture.cpp

source/Lib/CommonLib/Picture.h

source/Lib/CommonLib/Slice.cpp

source/Lib/CommonLib/TypeDef.h

source/Lib/EncoderLib/EncCfg.h

source/Lib/EncoderLib/EncCu.cpp

source/Lib/EncoderLib/EncCu.h

source/Lib/EncoderLib/EncGOP.cpp

source/Lib/EncoderLib/EncLib.cpp

source/Lib/EncoderLib/EncModeCtrl.cpp

source/Lib/EncoderLib/EncModeCtrl.h

source/Lib/EncoderLib/InterSearch.cpp

source/Lib/EncoderLib/InterSearch.h