Added links and new Programmatic access section
Added icons for new links and in scss
cleaned up code
set up new styles for icons
added new feeds class and id's for new icons
added new icon images
removed ens image that is no longer being used
added mailing list section and moved real-time feeds to this new section
removed old icons
Added Mailing list section and changed format of sections
added new icons
Merge pull request #20 from jdbrown-USGS/LATESTEQ-179-icons

Latesteq 179 icons