Add Triple Point Shock Problem as Euler Application #508

Job	Run time
Automake Serial Minimal Build on Linux	1m 30s
Automake Serial With Clawpack Build on Linux	17m 6s
Automake Serial With GeoClaw Build on Linux	1m 44s
Automake Serial With CudaClaw (CUDA 10.1) Build on Linux	2m 53s
Automake Serial With CudaClaw (CUDA 11.3) Build on Linux	3m 10s
Automake MPI Minimal Build on Linux	2m 7s
Automake MPI Debug With CXX Build on Linux	5m 13s
Automake MPI With Clawpack Build on Linux	16m 50s
Automake MPI With GeoClaw Build on Linux	2m 16s
Automake MPI With CudaClaw (CUDA 10.1) Build on Linux	3m 9s
Automake MPI With CudaClaw (CUDA 11.3) Build on Linux	3m 51s
Automake MPI With ThunderEgg Build on Linux	5m 6s
	1h 4m 55s

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