removed Parsing; updated Text + tests

src/main/java/gov/usgs/earthquake/nshmp/Text.java

...ava/gov/usgs/earthquake/nshmp/calc/DisaggContributor.java

...ain/java/gov/usgs/earthquake/nshmp/calc/DisaggExport.java

...ain/java/gov/usgs/earthquake/nshmp/calc/EqRateExport.java

...ain/java/gov/usgs/earthquake/nshmp/calc/HazardExport.java

...main/java/gov/usgs/earthquake/nshmp/calc/ValueFormat.java

...ain/java/gov/usgs/earthquake/nshmp/data/IntervalData.java

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

...v/usgs/earthquake/nshmp/fault/surface/RuptureScaling.java

...main/java/gov/usgs/earthquake/nshmp/geo/json/GeoJson.java

...n/java/gov/usgs/earthquake/nshmp/geo/json/Properties.java

...main/java/gov/usgs/earthquake/nshmp/internal/Parsing.java

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

src/test/java/gov/usgs/earthquake/nshmp/TextTests.java

...java/gov/usgs/earthquake/nshmp/internal/ParsingTests.java