Implements initial complete shakemap feature

shakyground2/earthquake.py

shakyground2/rupture_mechanism.py

shakyground2/shakemap.py

shakyground2/site_model.py

shakyground2/synthetic_rupture_generator.py

shakyground2/valid.py

tests/data/__init__.py

tests/earthquake_test.py

tests/rupture_mechanism_test.py

tests/shakemap_test.py

tests/synthetic_rupture_generator_test.py