Merge branch 'IntensityDataObject' into develop

App/src/IsGISAXSTools.cpp

App/src/TestDiffuseReflection.cpp

App/src/TestFormFactor.cpp

App/src/TestFumiliLMA.cpp

App/src/TestInfLongBox.cpp

App/src/TestInfLongRipple1.cpp

App/src/TestInfLongRipple2.cpp

App/src/TestMiscellaneous.cpp

App/src/TestMultiLayerRoughness.cpp

App/src/TestRipple1.cpp

App/src/TestRipple2.cpp

App/src/TestRootTree.cpp

App/src/TestSpecularMagnetic.cpp

App/src/TestSpecularMatrix.cpp

App/src/TestToySimulation.cpp

Core/Algorithms/src/Detector.cpp

Core/Algorithms/src/SpecularSimulation.cpp

Core/PythonAPI/inc/Histogram1D.pypp.h

Core/PythonAPI/inc/Histogram2D.pypp.h

Core/PythonAPI/inc/IHistogram.pypp.h