Merge branch 'rr2' into 'develop'

Core/Background/ConstantBackground.cpp

Core/Background/ConstantBackground.h

Core/Background/IBackground.cpp

Core/Background/IBackground.h

Core/Background/PoissonNoiseBackground.cpp

Core/Background/PoissonNoiseBackground.h

Core/Computation/DWBAComputation.cpp

Core/Computation/IComputation.cpp

Core/Computation/ParticleLayoutComputation.cpp

Core/Computation/RoughMultiLayerComputation.cpp

Core/Examples/SimulationFactory.cpp

Core/Examples/SimulationFactory.h

Core/Examples/StandardSimulations.cpp

Core/Examples/StandardSimulations.h

Core/Export/SimulationToPython.cpp

Core/Simulation/DepthProbeSimulation.cpp

Core/Simulation/ISimulation.cpp

Core/Simulation/ISimulation2D.cpp

Core/Simulation/SpecularSimulation.cpp

Core/Term/SpecularComputationTerm.cpp