Merge pull request #689 from isuftin/master

UI updates, Publish updates
only valid URLs should be called valid (i.e. '' is not valid)
Merge pull request #690 from jiwalker-usgs/master

only valid URLs should be called valid (i.e. '' is not valid)
Should fix legend creation issue for historical
Merge branch 'master' of https://github.com/USGS-CIDA/coastal-hazards