Merge pull request #720 from isuftin/master

Fixing a ribboning issue for back of card
switching keywords to text type
Merge pull request #721 from jiwalker-usgs/master

switching keywords to text type
removed limit for keywords
Merge pull request #722 from jiwalker-usgs/master

removed limit for keywords from model
Updated front-end to remove keywords max length check - was causing 500 error