big config refactor; added new fields and structure

etc/examples/2-custom-config/config.json

etc/examples/3-sites-file/config.json

etc/examples/4-hazard-map/config.json

etc/examples/5-complex-model/config-map.json

etc/examples/5-complex-model/config-sites.json

etc/examples/6-enhanced-output/config.json

src/org/opensha2/calc/CalcConfig.java

src/org/opensha2/calc/Calcs.java

src/org/opensha2/calc/CurveType.java

src/org/opensha2/calc/Deaggregation.java

src/org/opensha2/calc/Hazard.java

src/org/opensha2/calc/Results.java

src/org/opensha2/calc/ThreadCount.java

src/org/opensha2/calc/Transforms.java

src/org/opensha2/eq/model/Loader.java

src/org/opensha2/eq/model/ModelConfig.java

src/org/opensha2/mfd/Mfds.java

src/org/opensha2/programs/HazardCalc.java

src/org/opensha2/util/TextUtils.java

test/org/opensha2/eq/model/peer/PeerTest.java