Merge branch 'develop' of apps.jcns.fz-juelich.de:BornAgain into develop

Core/Algorithms/inc/DWBADiffuseReflection.h

Core/Algorithms/inc/DWBASimulation.h

Core/Algorithms/inc/DiffuseDWBASimulation.h

Core/Algorithms/inc/ISimulation.h

Core/Algorithms/inc/LayerDWBASimulation.h

Core/Algorithms/inc/MultiLayerDWBASimulation.h

Core/Algorithms/inc/MultiLayerRoughnessDWBASimulation.h

Core/Algorithms/inc/OpticalFresnel.h

Core/Algorithms/src/DWBASimulation.cpp

Core/Algorithms/src/DiffuseDWBASimulation.cpp

Core/Algorithms/src/OpticalFresnel.cpp

Core/Samples/inc/DiffuseParticleInfo.h

Core/Samples/inc/ParticleInfo.h

pub/core/Doxyfile