Merge branch 'feature/christina/metadata-ui' of github.com:edx/mitx into feature/christina/metadata-ui

cleaning up styles to use list-input, field, group, label, input, tip, etc standards. also opted to try out initial pass at hierarchy splitting of css classes on items that repeat (li, for example)

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...

cleaned up styling, synced up partially to existing standards for forms, fonts, colors, etc; currently open select box issue on chrome

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.