Removed set traces

Fixed display-name bug and added in a function to trigger events on firefox as well as check if it is firefox

Fixed upload test.  Also added information to testing.md

Auto auth can now accept parameters for user attributes.

Rename MITX_SETTING AUTOMATIC_AUTH_FOR_LOAD_TESTING -> AUTOMATIC_AUTH_FOR_TESTING because it will be used for acceptance testing also.

Add acceptance test for XML-only video content.

Since we've had issues with the default video being incorrectly shown,
this creates an XML-only video and ensures that the correct
(non-default) Youtube ID is sent to the client.

Workaround for popup CSS path being wrong (tinymce).

Simplify save_grade and pass through answer_unknown

STUD-178

To increase portability of courses, have the Asset Index page display the classic /static/... URL shorthand.

fix crash in peer eval xmodule

Fix VideoAlpha acceptance test.

Update XBlock version

Changed css_selector

Send e-mail to STUDIO_REQUEST_EMAIL when user requests course creator privileges

Fix Firefox subsection datetime bug