Vik/fix/oe bugs

Delete two lines.  without this, the xblock fields are never created in cases where the module is "fresh" (ie has no existing data)

Feature/giulio/accessibility

made signup form labels and close modal button accessible friendly and tweaked login form to match signup form

Pass additional field information from editable_metadata_fields, remove system_metadata_fields variable.

Ignore the js files that are compiled from coffeescript when running the...

Change the methodology to ignore .js files by default. Any .js files that are coded can be handled individually.

Fix tests that intermittently fail when run in concurrent jobs on jenkins.

This was previously done for input but not textarea.

The help tab opens a modal dialog that directs the user at various resources
(e.g. the site FAQ and course forums) and allows the user to submit feedback
to the feedback endpoint (which will ultimately create a ticket for the
student support team).

This functionality requires the Zendesk URL, user, and API key to be specified
in django.conf.settings. Also, add a flag to MITX_FEATURES (enabled by default)
to control the endpoint and the front-end feature (yet to be added).

Get rid of _computed_default.

MOAR README

update EPFL profile.  LH # 374

That would be a chair.