Merge branch 'bug-16903-FiberVolumeFraction'
Conflicts:
Modules/DiffusionImaging/FiberTracking/Testing/mitkFiberfoxAddArtifactsToDwiTest.cpp
Modules/DiffusionImaging/FiberTracking/Testing/mitkFiberfoxSignalGenerationTest.cpp
Plugins/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkFiberfoxView.cpp