Remove the Bootswatch gem and switch to a Bootstrap gem that supports 3.0.0
Switch to the proper CSS classes for Bootstrap 3
Update Bootswatches to the new Bootstrap 3 versions
Switch stylesheets from Bootstrap 3 to the new Flatly Bootswatch
Increase the top padding of the body (since Bootstrap 3's navbar is taller)
Use a static navbar instead of a fixed navbar
Merge branch 'master' into bootstrap-3
Make the navbar responsive