XMerge branch 'develop' of https://git.rz.tu-bs.de/irmb/VirtualFluids_dev into develop

.gitignore

apps/gpu/HULC/main.cpp

apps/gpu/LBM/ActuatorLine/ActuatorLine.cpp

apps/gpu/LBM/BoundaryLayer/BoundaryLayer.cpp

apps/gpu/LBM/DrivenCavity/DrivenCavity.cpp

apps/gpu/LBM/DrivenCavityMultiGPU/DrivenCavityMultiGPU.cpp

apps/gpu/LBM/MusselOyster/MusselOyster.cpp

apps/gpu/LBM/SphereGPU/Sphere.cpp

apps/gpu/LBM/SphereScaling/SphereScaling.cpp

apps/gpu/LBM/TGV_3D/TGV_3D.cpp

apps/gpu/LBM/TGV_3D_MultiGPU/TGV_3D_MultiGPU.cpp

apps/gpu/LBM/WTG_RUB/WTG_RUB.cpp

apps/gpu/LBM/gridGeneratorTest/gridGenerator.cpp

apps/gpu/LBM/lbmTest/main.cpp

apps/gpu/LBM/metisTest/main.cpp

...uidSimulationFactory/VirtualFluidSimulationFactoryImp.cpp

src/cuda/CudaGrid.cpp

.../GridGenerator/geometries/BoundingBox/BoundingBoxTest.cpp

...ridGenerator/geometries/TriangularMesh/TriangularMesh.cpp

.../GridGenerator/geometries/TriangularMesh/TriangularMesh.h