Parsing cleanup

src/org/opensha/geo/Location.java

src/org/opensha/geo/LocationList.java

src/org/opensha/gmm/CoefficientContainer.java

src/org/opensha/gmm/GmmTables.java

src/org/opensha/gmm/GmmUtils.java

src/org/opensha/programs/HazardCurve.java

src/org/opensha/programs/HazardMap.java

src/org/opensha/util/Parsing.java

test/org/opensha/gmm/Tests_NGAW2.java