updates tests; fixes LTS arrays for surface points and shakemaps; adds blender visualization scripts #191

Job	Run time
Check file changes	48s
Test on Mac	12m 9s
Test Intel on ubuntu-20.04	15m 41s
Test on ubuntu-latest	2m 2s
Test on ubuntu-20.04	2m 5s
Test run example 0 - make tests	7m 3s
Test run example 1 - meshfem3D simple model	4m 1s
Test run example 2 - fault tpv5	5m 16s
Test run example 3 - layered halfspace	3m 21s
Test run example 10 - homogeneous halfspace	2m 41s
Test run example 5 - socal1D	3m 21s
Test run example 6 - socal1D 1d_socal	4m 2s
Test run example 7 - socal1D 1d_prem	3m 6s
Test run example 8 - socal1D 1d_cascadia	3m 16s
Test run example 9 - coupling FK	3m 26s
Test run example 11 - poroelastic	3m 16s
Test run example 12 - PML elastic	2m 45s
Test run example 13 - PML acoustic	2m 23s
Test run example 14 - waterlayered halfspace	3m 32s
Test run example 15 - tomographic model	2m 41s
Test run example 16 - cavity	2m 46s
Test run example 17 - sep bathymetry	2m 52s
Test run example 18 - socal1D hdf5 i/o	3m 31s
Test run example 4 - small adjoint	3m 35s
	1h 39m 39s

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