Merge branch 'densitymatrix' into develop

App/src/TestPolarizedDWBA.cpp

App/src/TestPolarizedMeso.cpp

Core/Algorithms/inc/Beam.h

Core/Algorithms/inc/DWBASimulation.h

Core/Algorithms/inc/DecouplingApproximationStrategy.h

Core/Algorithms/inc/Detector.h

Core/Algorithms/inc/IInterferenceFunctionStrategy.h

Core/Algorithms/inc/Instrument.h

Core/Algorithms/inc/IsGISAXSMorphologyFileStrategy.h

Core/Algorithms/inc/Simulation.h

...orithms/inc/SizeSpacingCorrelationApproximationStrategy.h

Core/Algorithms/src/Beam.cpp

Core/Algorithms/src/DWBASimulation.cpp

Core/Algorithms/src/DecoratedLayerDWBASimulation.cpp

Core/Algorithms/src/DecouplingApproximationStrategy.cpp

Core/Algorithms/src/Detector.cpp

Core/Algorithms/src/IInterferenceFunctionStrategy.cpp

Core/Algorithms/src/Instrument.cpp

Core/Algorithms/src/IsGISAXSMorphologyFileStrategy.cpp

Core/Algorithms/src/MultiLayerDWBASimulation.cpp