ERD (PG Modeler format and png format)
Corrected field name mispelling
Changed order of dataset table fields (ids first)
Merge pull request #1 from emmerichc-usgs/SEISMICDESIGN-100

ERD (PG Modeler format and png format)
Added pga field to data table
Merge pull request #4 from emmerichc-usgs/SEISMICDESIGN-100

Added pga field to data table