Rename new scaling kernel

apps/gpu/LBM/DrivenCavity/DrivenCavity.cpp

regression-tests/reference_data

src/gpu/VirtualFluids_GPU/Factories/GridScalingFactory.cpp

src/gpu/VirtualFluids_GPU/Factories/GridScalingFactory.h

src/gpu/VirtualFluids_GPU/GPU/GPU_Interface.h

src/gpu/VirtualFluids_GPU/GPU/GPU_Kernels.cuh

...VirtualFluids_GPU/GPU/GridScaling/scaleCF_compressible.cu

...VirtualFluids_GPU/GPU/GridScaling/scaleFC_compressible.cu

src/gpu/VirtualFluids_GPU/GPU/LBMKernel.cu