Configure MathJax using require.js

E0d/config fix

Commiting Gemfile.lock to the repository

Include tail from header tag in course update.

Temporarily disable navigation feature due to flakiness.

Add an XBlock javascript runtime, and use it to run XModules

Caption functionality announced when tabbing to list

Remove pipeline config not needed with RequireJS.

[LMS-57]

Zero Tolerance

URLencode $ and . in location.name when used as key

Handle all exceptions returned by django-ses.

Fix flakey js caption test

Was re-introduced in a bad merge.

Disable test seen to fail in master

Will/fix jscover failures

Change logic for section selection in navigation tests.

Fix broken tests for video player

Add temporary args to swallow deprecated parms.

Post release 2013 10 17 master

Simple cleanups of DictFieldData

Change various text items to be more clear for users, as well as some grammar