edx/edx-platform — pull request #1815 by singingwolfboy (2013-12-02 19:33:56+00:00)
Title: Convert "MITx" references in codebase to "edX"

Because this is long overdue. These changes were generated first by automated search-and-replace, and then by going over the results and fixing them up manually.

This is #1789 split up into multiple, logical commits, as requested by @gwprice.