Merge branch 'refactor_distributions' into 'develop'

Base/Py/PyFmt.cpp

Base/Py/PyFmt.h

Core/Export/PyFmt2.cpp

Core/Export/PyFmt2.h

Core/Export/PyFmtLimits.cpp

Core/Export/SampleToPython.cpp

Core/Export/SampleToPython.h

Core/Export/SimulationToPython.cpp

Core/Fitting/SimDataPair.cpp

Core/Scan/AngularSpecScan.cpp

Core/Scan/QSpecScan.cpp

Core/Simulation/DepthProbeSimulation.cpp

Core/Simulation/ISimulation.cpp

Core/Simulation/ISimulation.h

Core/Simulation/OffSpecularSimulation.cpp

Core/Simulation/SimulationFactory.cpp

Core/Simulation/SpecularSimulation.cpp

Core/Simulation/StandardSimulations.cpp

Device/Beam/Beam.cpp

Device/Beam/Beam.h