Extend the capabilities of the REGISTRATION_OPTIONAL_FIELDS
configuration variable, to allow to select, for each individual field,
if it should be 'hidden', 'optional' or 'required'.

Rename the configuration variable to REGISTRATION_EXTRA_FIELDS to reflect
the additional capabilities, and updates the defaults.

As extra fields, configurable through the REGISTRATION_EXTRA_FIELDS
variable. Hidden by default.

Tickets: MCKIN-168 MCKIN-184

Note: Studio also has a registration page, which uses the same account
creation page. It should be possible to use it without requiring the
variable from the LMS, as the fields are different.

Pin test lib versions (fix to test failures in master)

Pin subunit and testtools libraries to prevent test failures after release of these libraries on 1/29/14

Set the HTML language to the browser's specified language

Disable transcript test

Dhm/bug perf loc

Notify instructors that static page content is publicly accessible

Sylvia/documentation/small fixes

Fix image link and Zooming Image text

If unable to send submission/feedback to xqueue return an error instead of silently failing

Refactored tests so that individual fields in the body arg are checked and not the whole serialized body.
ORA-197

ORA-197

For multistep openended problems after moving to a openendedmodule step keep trying to resend submission to grader until it succeeds.
ORA-197

ORA-197

Flash of text appears when instructor goes to staff grading fixed.

Really large posts to ORA like peer grading feedback fixed.

Fixed self assessment deadlines don't apply to the submission of the rubric

Fix for BLD-708: Firefox YouTube video start time.

ORA-249

ORA-201

ORA-202

In Firefox YouTube video with start time plays from 00:00:00.
The reason was that seekTo() could not start playing a video from
a point that hasn't been buffered yet. Why this started happening
just now, really is hard to explain.

BLD-708.

Updating Annotator CSS