Merge branch 'rz6' into 'develop'

Core/Examples/SimulationFactory.cpp

Core/Examples/StandardSimulations.cpp

Core/Export/SimulationToPython.cpp

Core/Fitting/FitObjective.cpp

Core/Simulation/DepthProbeSimulation.cpp

Core/Simulation/DepthProbeSimulation.h

Core/Simulation/GISASSimulation.cpp

Core/Simulation/ISimulation.cpp

Core/Simulation/ISimulation.h

Core/Simulation/ISimulation2D.h

Core/Simulation/OffSpecularSimulation.cpp

Core/Simulation/OffSpecularSimulation.h

Core/Simulation/SpecularSimulation.cpp

Core/Simulation/SpecularSimulation.h

Device/Beam/FootprintSquare.cpp

Device/Detector/IDetector.h

Device/Detector/IDetector2D.cpp

Device/Detector/IDetector2D.h

Device/Detector/SimulationAreaIterator.cpp

Device/Mask/Rectangle.cpp