Refactor cudify code; fix cudify:OpenMP

CMakeLists.txt

src/CMakeLists.txt

src/config/config_cmake.h.in

src/memory/CudaMemory.cu

src/memory/mem_conf.cpp

src/util/cuda_launch.hpp

src/util/cuda_util.hpp

src/util/cudify/alpaka/cudify_alpaka.hpp

src/util/cudify/cuda/cudify_cuda.hpp

src/util/cudify/cudify.hpp

src/util/cudify/cudify_hardware_cpu.hpp

src/util/cudify/cudify_unit_test.cu

src/util/cudify/cudify_vars.cpp

src/util/cudify/hip/cudify_hip.hpp

src/util/cudify/openmp/cudify_openmp.hpp

src/util/cudify/sequential/cudify_sequential.hpp