Add nvidia-cuda-toolkit to ubuntu-precise; resolves travis-ci/apt-package-whitelist#2190
Add nvidia-cuda-toolkit to ubuntu-precise; resolves travis-ci/apt-package-whitelist#2190

Packages: nvidia-cuda-toolkit nvidia-cuda-doc nvidia-cuda-gdb nvidia-profiler nvidia-visual-profiler nvidia-nsight nvidia-cuda-dev nvidia-opencl-dev libcudart6.5 libcublas6.5 libnvblas6.5 libcufft6.5 libcufftw6.5 libcusparse6.5 libcurand6.5 libnppc6.5 libnppi6.5 libnpps6.5 libcuinj32-6.5 libcuinj64-6.5 libnvtoolsext1 libnvvm2 libcupti6.5 libcupti-dev libcupti-doc

travis-ci/apt-package-whitelist,travis-ci/apt-package-whitelist