Merge branch 'master' into 'master'

cfg/encoder_lowdelay_vtm.cfg

cfg/encoder_randomaccess_vtm.cfg

doc/software-manual.tex

source/App/EncoderApp/EncApp.cpp

source/App/EncoderApp/EncAppCfg.cpp

source/App/EncoderApp/EncAppCfg.h

source/Lib/CommonLib/Buffer.cpp

source/Lib/CommonLib/Buffer.h

source/Lib/CommonLib/CodingStatistics.h

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/RdCost.cpp

source/Lib/CommonLib/RdCost.h

source/Lib/CommonLib/Rom.cpp

source/Lib/CommonLib/Rom.h

source/Lib/CommonLib/Slice.cpp