Reducing number of ALF APSs from 32 to 8

source/Lib/CommonLib/AdaptiveLoopFilter.h

source/Lib/CommonLib/CodingStructure.h

source/Lib/CommonLib/CommonDef.h

source/Lib/CommonLib/Picture.cpp

source/Lib/CommonLib/Slice.h

source/Lib/CommonLib/TypeDef.h

source/Lib/DecoderLib/DecLib.cpp

source/Lib/DecoderLib/VLCReader.cpp

source/Lib/EncoderLib/EncAdaptiveLoopFilter.cpp

source/Lib/EncoderLib/EncGOP.cpp

source/Lib/EncoderLib/EncLib.h

source/Lib/EncoderLib/VLCWriter.cpp