Added site metadata to _config.yml
Changed feed based off of feedback from W3C RSS validator
Added Font Awesome files
Removed old icon css from bootstrap.css
Added contact icons to sidebar on front page
Fixed malformed header on index.html
Added sidebar to default.html layout
Changed icons appearance based on screen size
Replaced contact information in footer with copyright information
Added excerpt to 2013-07-15-and-we're-live.md