A couple changes as suggested by Ivan
Merge pull request #37 from jiwalker-usgs/master

A couple changes as suggested by Ivan
Merge pull request #38 from isuftin/master

Updates to landing page, externalized openlayers formatters for CSW/SOS
Merge branch 'master' of https://github.com/isuftin/geo-data-portal
Made functionality to create a url -> csw identifier map. I need to actually make a url -> { title, url } map