Adds new over time dataset and updates links and documentation to reflect this
Merge pull request #369 from 18F/feature/full-overtime-data

Adds new over time dataset and updates links and documentation to reflec...
Adds DAS and GA. Deletes old not alone script info.
Merge pull request #370 from 18F/feature/adds-das-ga

Adds DAS and GA. Deletes old not alone script info.
Adds robots.text in preparation for sitemap.
Merge pull request #372 from 18F/feature/adds-robots

Adds robots.text in preparation for sitemap.
Test to see if unicode chevron is better supported than html code chevron
Test didn't work. Switching back to HTML code.
Adds svg4everybody.js
Merge pull request #373 from 18F/feature/add-ie-svg-support

Adds svg4everybody.js
Test to fix error on DAP
Changes nav name for Paul.
Merge pull request #375 from 18F/fix/temp-nav-change

Changes Data global nav name.
Adds footnote to map re negative values in data. Also adds definition in terms list.
Merge pull request #376 from 18F/fix/add-neg-value-map-footnote

Adds footnote to map re negative values in data. Also adds definition in...
Merge pull request #374 from 18F/gh-pages

Test to push latest changes to production