Creative Commons Licensing for edX

This PR adds Creative Commons Licensing to the Open edX Platform.

Review tickets
T&L https://openedx.atlassian.net/browse/TNL-195
UX https://openedx.atlassian.net/browse/UX-948
You should not be getting and setting attributes on a view like this. It looks to me like you want a [Backbone Model](http://backbonejs.org/#Model), which your view can then render.