migrated earthquakes main page to the new template.  This is a strawman,  redesign/implementation will be done later.
deleted some leftovers
Merge pull request #17 from hasimpson-usgs/LATESTEQ-126

migrated earthquakes main page to the new template.  This is a strawman,...
Make the Grunt file check for all scss files.
Add Features functionality from research section
Add and link css
Add images
Update index to use Features functionality
Updated template dependency.
Updated homepage markup with placeholder markup.
Update index to use Features functionality
Removed all styles and replaced with Eric's css
Add new icon images, remove unused images.
Use Eric's markup and only Eric's markup.
Move Earthquakes page related images into /earthquakes/images/
Remove all unused images.
Move styles for Earthquakes page into Earthquakes directory.