updated peer test to NGA base models; no epi

etc/peer/models/Set2-Case2a-fast/active-crust/gmm-tree.json

etc/peer/models/Set2-Case2a/active-crust/gmm-tree.json

etc/peer/models/Set2-Case2b-fast/active-crust/gmm-tree.json

etc/peer/models/Set2-Case2b/active-crust/gmm-tree.json

etc/peer/models/Set2-Case2c-fast/active-crust/gmm-tree.json

etc/peer/models/Set2-Case2c/active-crust/gmm-tree.json

etc/peer/models/Set2-Case2d-fast/active-crust/gmm-tree.json

etc/peer/models/Set2-Case2d/active-crust/gmm-tree.json

etc/peer/models/Set2-Case3a-fast/active-crust/gmm-tree.json

etc/peer/models/Set2-Case3a/active-crust/gmm-tree.json

etc/peer/models/Set2-Case3b-fast/active-crust/gmm-tree.json

etc/peer/models/Set2-Case3b/active-crust/gmm-tree.json

etc/peer/models/Set2-Case3c-fast/active-crust/gmm-tree.json

etc/peer/models/Set2-Case3c/active-crust/gmm-tree.json

etc/peer/models/Set2-Case3d-fast/active-crust/gmm-tree.json

etc/peer/models/Set2-Case3d/active-crust/gmm-tree.json

etc/peer/models/Set2-Case4a-fast/active-crust/gmm-tree.json

etc/peer/models/Set2-Case4a/active-crust/gmm-tree.json

etc/peer/models/Set2-Case4b-fast/active-crust/gmm-tree.json

etc/peer/models/Set2-Case4b/active-crust/gmm-tree.json