interim fault dev commit

src/main/java/gov/usgs/earthquake/nshmp/fault/FocalMech.java

...va/gov/usgs/earthquake/nshmp/model/ClusterRuptureSet.java

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

...java/gov/usgs/earthquake/nshmp/model/FaultRuptureSet.java

...ain/java/gov/usgs/earthquake/nshmp/model/HazardModel.java

.../gov/usgs/earthquake/nshmp/model/InterfaceRuptureSet.java

src/main/java/gov/usgs/earthquake/nshmp/model/ModelData.java

...ain/java/gov/usgs/earthquake/nshmp/model/ModelLoader.java

src/main/java/gov/usgs/earthquake/nshmp/model/ModelUtil.java

...in/java/gov/usgs/earthquake/nshmp/model/SourceConfig.java