added NVBIO_CUDA_DEBUG macro
added NVBIO_CUDA_DEBUG macro

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18105509]

kimrutherford/nvbio,kimrutherford/nvbio,NVlabs/nvbio,kimrutherford/nvbio,NVlabs/nvbio,NVlabs/nvbio,NVlabs/nvbio,kimrutherford/nvbio