Add distribution writer for debugging purposes

src/gpu/core/CMakeLists.txt

src/gpu/core/GPU/CudaMemoryManager.cpp

src/gpu/core/GPU/CudaMemoryManager.h

src/gpu/core/LBM/Simulation.cpp

src/gpu/core/Output/DistributionDebugWriter.cpp

src/gpu/core/Output/DistributionDebugWriter.h

src/gpu/core/Output/DistributionDebugWriterTest.cpp

src/gpu/core/Parameter/Parameter.cpp

src/gpu/core/Parameter/Parameter.h