Update to Bootstrap 3
Rename a whole bunch of CSS classes and swap to new bootstrap files.
Redesign navbar around Bootstrap 3
Speculative removal of more JS files.

Plus application.js and docs.css which should never have gotten in
in the first place.
Re-add icons for class info.
Rewrite class info to match 2.3 styling.
Rendered unnecessary by oer.mak
Quiz list from ul to ol.
`.unstyled` -> `.list-unstyled`
Collapse oer.mak
Retab blogs.mak
Re-add bolded headers.
Change blog post count display
Try fixing one lecture.
Fix the rest of the lectures.
Move to slightly modified Bootstrap CSS

* Changed btn-default-color and btn-default-bg to the suggested values.
* moved med->lg breakpoint to 943px. This helps nothing.
Simplify `/oer`
Navbar size tweaks.
Merge branch 'feature/bootstrap3' into develop

Based on communication with @decause, I am merging this.
Bump version number.