calc refactor

src/org/opensha/calc/AsyncCalc.java

src/org/opensha/calc/CalcConfig.java

src/org/opensha/calc/Calcs.java

src/org/opensha/calc/ClusterCurves.java

src/org/opensha/calc/Deagg.java

src/org/opensha/calc/HazardCurveSet.java

src/org/opensha/calc/HazardCurves.java

src/org/opensha/calc/HazardGroundMotions.java

src/org/opensha/calc/HazardResult.java

src/org/opensha/calc/SigmaModel.java

src/org/opensha/calc/SiteSet.java

src/org/opensha/calc/Transforms.java

src/org/opensha/calc/Utils.java

src/org/opensha/data/ArrayXY_Sequence.java

src/org/opensha/data/DataUtils.java

src/org/opensha/eq/fault/surface/DefaultGriddedSurface.java

src/org/opensha/eq/fault/surface/RuptureFloating.java

src/org/opensha/eq/model/FaultParser.java

src/org/opensha/eq/model/FaultSource.java

src/org/opensha/eq/model/HazardModel.java