Rename h3 and h4 to h4 and h5 respectively
Fix spacing around logo and nav
Add clearfix to nav
Improve styling of nav items
Add basic open source page
Tidy up
Work for us page
Work for us page, add links to navigation
Add bubbles
Merge remote-tracking branch 'origin/master'
Merge branch 'master' into gh-pages
Commit new compiled CSS