split Sample/Multilayer -> Fresnel, Specular, Slice, Interference

Core/Computation/DWBAComputation.cpp

Core/Computation/DepthProbeComputationTerm.cpp

Core/Computation/GISASSpecularComputation.cpp

Core/Computation/LayoutStrategyBuilder.cpp

Core/Computation/ParticleLayoutComputation.cpp

Core/Computation/ProcessedLayout.cpp

Core/Computation/ProcessedSample.cpp

Core/Computation/ProcessedSample.h

Core/Computation/ProfileHelper.cpp

Core/Computation/RoughMultiLayerComputation.cpp

Core/Computation/SpecularComputation.cpp

Core/Computation/SpecularComputationTerm.cpp

Core/Computation/SpecularComputationTerm.h

Core/Computation/SpecularStrategyBuilder.cpp

Core/Computation/SpecularStrategyBuilder.h

Core/Export/SampleLabelHandler.cpp

Core/Export/SampleToPython.cpp

Core/Simulation/SpecularSimulation.cpp

Device/Scan/AngularSpecScan.cpp

Device/Scan/QSpecScan.cpp