Support new GOSSI metadata

[rfrenchseti]

• Fixes #317
• Fixes #318
• Were any Django, import pipeline, or table_schema files modified? Y/N
• Were any JavaScript or CSS files modified? Y/N
  • If YES:
  • JSHINT run on all affected files: Y/NA
  • Tested on Chrome, Firefox, Safari, Edge, and iOS: Y/NA (Remember to test all browser sizes)
  • Tested for race conditions (with delayed API calls if applicable): Y/NA
• Was the documentation reviewed for necessary changes or additions? Y/NA
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Description of changes:

Known problems: