updates configurations scripts; adds lat/lon/depth format to EMC models; adds mesh adjacency for point searches and updates receiver/source localizations #197

Job	Run time
Check file changes	20s
Test on Mac	12m 0s
Test Intel on ubuntu-20.04	17m 52s
Test on ubuntu-latest	2m 9s
Test on ubuntu-20.04	2m 22s
Test run example 0 - make tests	6m 57s
Test run example 1 - meshfem3D simple model	4m 6s
Test run example 10 - homogeneous halfspace	3m 5s
Test run example 11 - poroelastic	3m 7s
Test run example 2 - fault tpv5	5m 18s
Test run example 3 - layered halfspace	3m 36s
Test run example 4 - small adjoint	3m 32s
Test run example 5 - socal1D	3m 15s
Test run example 6 - socal1D 1d_socal	3m 29s
Test run example 7 - socal1D 1d_prem	3m 18s
Test run example 8 - socal1D 1d_cascadia	3m 31s
Test run example 12 - PML elastic	3m 21s
Test run example 13 - PML acoustic	2m 31s
Test run example 9 - coupling FK	3m 24s
Test run example 14 - waterlayered halfspace	3m 38s
Test run example 15 - tomographic model	2m 44s
Test run example 16 - cavity	2m 32s
Test run example 17 - sep bathymetry	2m 53s
Test run example 18 - socal1D hdf5 i/o	3m 40s
	1h 42m 40s

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