JVET-0053: Adding support for Annotated Regions

cfg/sei_vui/annotated_regions/anno_reg_0.txt

cfg/sei_vui/annotated_regions/anno_reg_1.txt

cfg/sei_vui/annotated_regions/anno_reg_2.txt

cfg/sei_vui/annotated_regions/anno_reg_3.txt

cfg/sei_vui/annotated_regions/anno_reg_4.txt

source/App/DecoderApp/DecApp.cpp

source/App/DecoderApp/DecApp.h

source/App/DecoderApp/DecAppCfg.cpp

source/App/DecoderApp/DecAppCfg.h

source/App/EncoderApp/EncApp.cpp

source/App/EncoderApp/EncAppCfg.cpp

source/App/EncoderApp/EncAppCfg.h

source/Lib/CommonLib/SEI.cpp

source/Lib/CommonLib/SEI.h

source/Lib/CommonLib/TypeDef.h

source/Lib/DecoderLib/SEIread.cpp

source/Lib/DecoderLib/SEIread.h

source/Lib/EncoderLib/EncCfg.h

source/Lib/EncoderLib/EncGOP.cpp

source/Lib/EncoderLib/SEIEncoder.cpp