Merge branch 'MaskIntegrate' into develop

Core/Algorithms/inc/IDetector2D.h

Core/Algorithms/src/GISASSimulation.cpp

Core/Algorithms/src/IDetector2D.cpp

Core/Algorithms/src/ProgressHandler.cpp

Core/Tools/inc/Bin.h

Core/Tools/src/FileSystem.cpp

Fit/FitKernel/src/FitSuitePrintObserver.cpp

GUI/coregui/Models/AxesItems.cpp

GUI/coregui/Models/AxesItems.h

GUI/coregui/Models/DetectorItems.cpp

GUI/coregui/Models/DetectorItems.h

GUI/coregui/Models/DomainSimulationBuilder.cpp

GUI/coregui/Models/GUIObjectBuilder.cpp

GUI/coregui/Models/IntensityDataItem.cpp

GUI/coregui/Models/ItemFactory.cpp

GUI/coregui/Models/MaskItems.cpp

GUI/coregui/Models/MaskItems.h

GUI/coregui/Models/PythonScriptSampleBuilder.cpp

GUI/coregui/Models/TransformToDomain.cpp

GUI/coregui/Models/TransformToDomain.h