Moved GKS stuff - Not tested!

src/gpu/GksGpu/FluxComputation/package.include

src/gpu/GksGpu/Initializer/Initializer.cpp

src/gpu/GksGpu/Initializer/Initializer.h

src/gpu/GksGpu/Initializer/InitializerKernel.cu

src/gpu/GksGpu/Initializer/package.include

src/gpu/GksGpu/Interface/CoarseToFineKernel.cu

src/gpu/GksGpu/Interface/FineToCoarseKernel.cu

src/gpu/GksGpu/Interface/Interface.h

src/gpu/GksGpu/Interface/package.include

src/gpu/GksGpu/Parameters/Parameters.h

src/gpu/GksGpu/Parameters/package.include

src/gpu/GksGpu/Restart/Restart.cpp

src/gpu/GksGpu/Restart/Restart.h

src/gpu/GksGpu/Restart/package.include

src/gpu/GksGpu/TimeStepping/NestedTimeStep.cpp

src/gpu/GksGpu/TimeStepping/NestedTimeStep.h

src/gpu/GksGpu/TimeStepping/package.include

src/gpu/GksGpu/package.include

src/gpu/GksMeshAdapter/GksMeshAdapter.cpp

src/gpu/GksMeshAdapter/GksMeshAdapter.h