dev work

.../java/gov/usgs/earthquake/nshmp/eq/model/Deserialize.java

src/main/java/gov/usgs/earthquake/nshmp/eq/model/Loader.java

...in/java/gov/usgs/earthquake/nshmp/eq/model/MfdConfig.java

...va/gov/usgs/earthquake/nshmp/eq/model/NshmRuptureSet.java

...n/java/gov/usgs/earthquake/nshmp/eq/model/RuptureSet.java

...n/java/gov/usgs/earthquake/nshmp/eq/model/SourceTree.java

src/main/resources/logging.properties

.../java/gov/usgs/earthquake/nshmp/eq/model/LoaderTests.java

...test/resources/eq/model/model-no-gmm-tree/model-info.json

...t/resources/eq/model/model-no-source-dirs/model-info.json

...esources/eq/model/model-no-source-dirs/source-config.json

...es/eq/model/model-no-sources/active-crust/gmm-config.json

...rces/eq/model/model-no-sources/active-crust/gmm-tree.json

...eq/model/model-no-sources/active-crust/source-config.json

...test/resources/eq/model/model-no-sources/calc-config.json