Fix up base.html spacing, move navbar to its own HTML file
Add utility app
Remove old about_us navbar li
Add active class to navbar lis using utility.active_tags
Update active class assignment using utility.active_tags
Update active templatetag to accept more complex strings
Assign active class to sidebar elements using utility.active_tags
Split base.html into sidebar.html and plain.html

* sidebar.html has a 3 column sidebar on the right
* plain.html contains a 12 column content area
Update template inheritance for templates
Move row div to sidebar and plain templates
Add a missing </div>
Rename "main" block to "content"

This will help with compatibility with other apps.
Update home page to use sidebar template
Remove most of page_setup.js
Add simple-sidebar.css
Add forgotten modal block
Fix media url in urls.py
Remove superfluous container
Fix registration sidebar button
Use new version of Font Awesome