edx/edx-platform — pull request #3101 by talbs (2014-03-28 12:16:52+00:00)
Title: UI: Disabled Utility Classes

This work adds the following:

* updates general UI disabling Sass placeholders used in both LMS/Studio
* adds a generic stateful (see http://smacss.com/book/type-state) utility class of "is-disabled" to both LMS/Studio