CUDA support

CMakeLists.txt

apps/tutorials/CMakeLists.txt

apps/tutorials/cuda/01_GameOfLife_cuda.cpp

apps/tutorials/cuda/01_GameOfLife_cuda.dox

apps/tutorials/cuda/01_GameOfLife_kernels.cu

apps/tutorials/cuda/01_GameOfLife_kernels.h

apps/tutorials/cuda/CMakeLists.txt

apps/tutorials/cuda/GosperGliderGun.png

cmake/waLBerlaFunctions.cmake

src/cuda/AddGPUFieldToStorage.h

src/cuda/AddGPUFieldToStorage.impl.h

src/cuda/CMakeLists.txt

src/cuda/ErrorChecking.h

src/cuda/FieldAccessor.h

src/cuda/FieldAccessorXYZ.h

src/cuda/FieldCopy.h

src/cuda/FieldIndexing.cpp

src/cuda/FieldIndexing.h

src/cuda/FieldIndexingXYZ.cpp

src/cuda/FieldIndexingXYZ.h