Merge branch 'release-1.13.0' into develop

CHANGELOG

Doc/Doxygen/Doxyfile

.../python/fitting/ex07_FitAlongSlices/FitAlongSlices_new.py

...neousFitOfTwoDatasets/SimultaneousFitOfTwoDatasets_new.py

...simulation/ex04_ComplexShapes/LargeParticlesFormFactor.py

GUI/coregui/Models/FitParameterItems.cpp

GUI/coregui/Views/JobWidgets/ParameterTuningDelegate.cpp

GUI/coregui/Views/RealSpaceWidgets/RealSpaceBuilderUtils.cpp

GUI/coregui/Views/RealSpaceWidgets/RealSpaceCanvas.cpp

VERSION.cmake

Wrap/python/plot_utils.py

auto/Wrap/doxygen_core.i

auto/Wrap/doxygen_fit.i

auto/Wrap/libBornAgainCore.py

auto/Wrap/libBornAgainCore_wrap.cpp

auto/Wrap/libBornAgainFit.py

auto/Wrap/libBornAgainFit_wrap.cpp