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

Core/Algorithms/inc/ProgressHandler.h

Core/PythonAPI/inc/__call_policies.pypp.hpp

Core/PythonAPI/src/Beam.pypp.cpp

Core/PythonAPI/src/Bin1D.pypp.cpp

Core/PythonAPI/src/Bin1DCVector.pypp.cpp

Core/PythonAPI/src/ConstKBinAxis.pypp.cpp

Core/PythonAPI/src/Crystal.pypp.cpp

Core/PythonAPI/src/CustomBinAxis.pypp.cpp

Core/PythonAPI/src/Detector.pypp.cpp

Core/PythonAPI/src/DistributionCosine.pypp.cpp

Core/PythonAPI/src/DistributionGate.pypp.cpp

Core/PythonAPI/src/DistributionGaussian.pypp.cpp

Core/PythonAPI/src/DistributionLogNormal.pypp.cpp

Core/PythonAPI/src/DistributionLorentz.pypp.cpp

Core/PythonAPI/src/FTDistribution1DCauchy.pypp.cpp

Core/PythonAPI/src/FTDistribution1DCosine.pypp.cpp

Core/PythonAPI/src/FTDistribution1DGate.pypp.cpp

Core/PythonAPI/src/FTDistribution1DGauss.pypp.cpp

Core/PythonAPI/src/FTDistribution1DTriangle.pypp.cpp

Core/PythonAPI/src/FTDistribution1DVoigt.pypp.cpp