switching huc handler over to wfs GetFeature control
Merge pull request #124 from davidmsibley/WATERSMART-391

switching huc handler over to wfs GetFeature control
Merge pull request #125 from davidmsibley/WATERSMART-347

fix and test for Sugarjs backwards date range problem
Merge branch 'master' of github.com:USGS-CIDA/nwc into WATERSMART-347
adding layers