Move fine to coarse into kernel manager

src/gpu/VirtualFluids_GPU/Calculation/UpdateGrid27.cpp

src/gpu/VirtualFluids_GPU/Calculation/UpdateGrid27.h

src/gpu/VirtualFluids_GPU/GPU/LBMKernel.cu

src/gpu/VirtualFluids_GPU/KernelManager/ADKernelManager.cpp

src/gpu/VirtualFluids_GPU/KernelManager/ADKernelManager.h

...tualFluids_GPU/KernelManager/GridScalingKernelManager.cpp

...irtualFluids_GPU/KernelManager/GridScalingKernelManager.h

src/gpu/VirtualFluids_GPU/KernelManager/LBKernelManager.cpp

src/gpu/VirtualFluids_GPU/KernelManager/LBKernelManager.h