Merge pull request #362 from donnaaboise/feature-regions #942

Job	Run time
CMake Serial Minimal Build on Linux	1m 6s
CMake build on MacOS	7m 20s
CMake Serial With Clawpack Build on Linux	9m 40s
CMake Serial With Clawpack and HDF Build on Linux	10m 33s
CMake Serial With GeoClaw Build on Linux	4m 17s
CMake Serial With CudaClaw (CUDA 10.1) Build on Linux	2m 51s
CMake Serial With CudaClaw (CUDA 11.3) Build on Linux	3m 18s
CMake MPI Minimal Build on Linux	2m 4s
CMake MPI With Clawpack Build on Linux	8m 30s
CMake MPI With Clawpack and HDF Build on Linux	9m 36s
CMake MPI With GeoClaw Build on Linux	3m 46s
CMake MPI With CudaClaw (CUDA 10.1) Build on Linux	3m 9s
CMake MPI With CudaClaw (CUDA 11.3) Build on Linux	3m 53s
CMake MPI With ThunderEgg Build on Linux	3m 45s
	1h 13m 48s

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