WIP radiasoft/container-jupyter-nvidia#9: compile hypre for gpu (#202)
WIP radiasoft/container-jupyter-nvidia#9: compile hypre for gpu (#202)

* WIP radiasoft/container-jupyter-nvidia#9: compile hypre for gpu

Same as rscode-elegant. Use the gpu-only flag to specify that gpu
specific compilation is needed.

Also, update hypre.
radiasoft/download,radiasoft/download