Merge remote-tracking branch 'origin/feature/T27461-VTK9' into feature/T27461-VTK9
- Conflicts:
- CMakeExternals/VTK-8.1.0.patch
- Modules/Classification/CLUtilities/CMakeLists.txt
- Modules/Core/src/Rendering/mitkPlaneGeometryDataVtkMapper3D.cpp
- Modules/QtWidgets/CMakeLists.txt
- Modules/QtWidgets/include/QmitkRenderWindow.h
- Modules/QtWidgets/src/QmitkRenderWindow.cpp