reintegrate directories GUI/Models/State and /Mapper

App/main.cpp

GUI/Models/Data/RealDataItem.cpp

GUI/Models/Instrument/InstrumentLibrary.cpp

GUI/Models/Instrument/InstrumentModel.cpp

GUI/Models/Mapper/ComponentProxyModel.cpp

GUI/Models/Mapper/ComponentProxyModel.h

GUI/Models/Mapper/ComponentProxyStrategy.cpp

GUI/Models/Mapper/ComponentProxyStrategy.h

GUI/Models/Mapper/ComponentUtils.cpp

GUI/Models/Mapper/ComponentUtils.h

GUI/Models/Mapper/ModelMapper.cpp

GUI/Models/Mapper/ModelMapper.h

GUI/Models/Mapper/ModelUtils.cpp

GUI/Models/Mapper/ModelUtils.h

GUI/Models/Mapper/ProxyModelStrategy.cpp

GUI/Models/Mapper/ProxyModelStrategy.h

GUI/Models/Sample/SampleListModel.cpp

GUI/Models/Sample/SampleModel.cpp

GUI/Models/Session/SessionItem.h

GUI/Models/State/SessionData.cpp