refactored CalcConfig to use accessor methods exclusively

src/org/opensha2/calc/CalcConfig.java

src/org/opensha2/calc/Calcs.java

src/org/opensha2/calc/Deaggregation.java

src/org/opensha2/calc/Hazard.java

src/org/opensha2/calc/Results.java

src/org/opensha2/calc/Transforms.java