Merge branch 'JVET-M0853-N0857-RectSlice' into 'master'

...nfigExamples/encoder_randomaccess_vtm_RasterScanSlice.cfg

...figExamples/encoder_randomaccess_vtm_RectangularSlice.cfg

...gExamples/encoder_randomaccess_vtm_SingleTilePerSlice.cfg

doc/software-manual.tex

source/App/EncoderApp/EncApp.cpp

source/App/EncoderApp/EncAppCfg.cpp

source/App/EncoderApp/EncAppCfg.h

source/App/Parcat/parcat.cpp

source/Lib/CommonLib/Slice.cpp

source/Lib/CommonLib/Slice.h

source/Lib/CommonLib/TypeDef.h

source/Lib/DecoderLib/DecLib.cpp

source/Lib/DecoderLib/DecSlice.cpp

source/Lib/DecoderLib/VLCReader.cpp

source/Lib/EncoderLib/EncCfg.h

source/Lib/EncoderLib/EncGOP.cpp

source/Lib/EncoderLib/EncLib.cpp

source/Lib/EncoderLib/EncSlice.cpp

source/Lib/EncoderLib/VLCWriter.cpp