Was following a std sql pattern, but non-sql db's are slow write
and pymongo's ObjectId() is supposed to generate a true GUID
equivalent to waiting for the db to do so.

Pattern for how to do refactoring from locations to locators and from
old style urls to restful ones.

and disable tests that fail for unrelated reasons

Fixing falling test. Added fix for RequireJS & XModule loader video race condition.
Removed unnecessary comments from SCSS and JS files.
Added entry to Change Log.

This has caused confusion, since this file gets imported when trying to
import the requests library.  And besides, how was this file about
requests in the first place?  Helpers is a much better name.

Made it so that the link and the text are on the same level, and in the
center of the block.

Removed JS check for empty url and default url. In template added
i18n support for several strings.

Add ability to display LTI module in a new
window. Iframe will be still supported.

Fix python test
Update acceptance tests
Fix in acceptance tests, they are stable now
Fix Acceptance tests.
Adding Jasmine tests for LTI.
Fixing Jasmine tests. Adding the rest of Jasmine tests.

and push sorting down to the query

This reverts commit ec01253e, reversing
changes made to ae8c9710.