Merge branch 'FitManual'

App/inc/TestToyFitting.h

App/src/FunctionalTestFactory.cpp

App/src/TestFittingModule1.cpp

App/src/TestMultiLayerRoughness.cpp

App/src/TestToyFitting.cpp

Core/CMakeLists.txt

Core/PythonAPI/inc/__call_policies.pypp.hpp

Core/PythonAPI/src/Beam.pypp.cpp

Core/PythonAPI/src/Crystal.pypp.cpp

Core/PythonAPI/src/Detector.pypp.cpp

Core/PythonAPI/src/FTDistribution2DCauchy.pypp.cpp

Core/PythonAPI/src/FormFactorBox.pypp.cpp

Core/PythonAPI/src/FormFactorCone.pypp.cpp

Core/PythonAPI/src/FormFactorCrystal.pypp.cpp

Core/PythonAPI/src/FormFactorCylinder.pypp.cpp

Core/PythonAPI/src/FormFactorDecoratorDebyeWaller.pypp.cpp

Core/PythonAPI/src/FormFactorEllipsoid.pypp.cpp

Core/PythonAPI/src/FormFactorFullSphere.pypp.cpp

Core/PythonAPI/src/FormFactorFullSpheroid.pypp.cpp

Core/PythonAPI/src/FormFactorHemiSpheroid.pypp.cpp