Merge branch 'PythonImportProblem' into 'develop'

Examples/fit/gisas2d/fit_gisas.py

Examples/fit51_Basic/consecutive_fitting.py

Examples/fit52_Advanced/find_background.py

Examples/fit52_Advanced/fit_along_slices.py

Examples/fit52_Advanced/fit_with_masks.py

Examples/fit52_Advanced/multiple_datasets.py

Examples/fit54_ExternalMinimizer/lmfit_with_plotting.py

Examples/fit55_SpecularIntro/FitWithUncertainties.py

Examples/fit55_SpecularIntro/RealLifeReflectometryFitting.py

Examples/fit61_Galaxi/fit_galaxi_data.py

Examples/scatter2d/ApproximationDA.py

Examples/scatter2d/ApproximationLMA.py

Examples/scatter2d/ApproximationSSCA.py

Examples/scatter2d/BeamDivergence.py

Examples/scatter2d/BiMaterialCylinders.py

Examples/scatter2d/BoxesWithSpecularPeak.py

Examples/scatter2d/BuriedParticles.py

Examples/scatter2d/ConstantBackground.py

Examples/scatter2d/CoreShellNanoparticles.py

Examples/scatter2d/CorrelatedRoughness.py