add GPL (free, copyleft) license
upgrade rails with security fixes for CVE-2013-0156 & CVE-2013-0155
update documentation rails version
Merge pull request #5 from DBNess/upgrade_rails

Upgrade Rails
customize fonts & colors
add foundation formatting to main page content (includes dynamic padding)
add github link to top nav bar
update copyright grid formatting
remove duplicate links from footer
update footer styling
update footer padding