Suppress request logging in the LTI test server.

Defined baseUrl in the legacy instructor dashboard template

Fix intermittently failing video js tests

Defined baseUrl in the legacy instructor dashboard template, fixing a bug where the HTML editor would fail to load

Clarify USE_I18N settings

Remove the now-unused import.

Segregate the mongo db config from the modulestore config

load common libs via require

make drag_and_drop component work with requirejs and changed static url

Wait between clicks for new component

Only change the collapse/expand state on the first child.

There are possibly children nested below that.

Change the default FROM address for bulk email

Unfortunately, delete tests are still failing sporadically in Jenkins.

using requirejs config to define deps

Use a better metadata_cache_key

Guard against StaleElementException in css_click

Fix for failures in component.feature

Add variable to set location of config files on aws

Put XBlock css and javascript onto the LMS courseware page

add acceptance tests for event tracking

This required changing structural XModules to fully implement
student_view, rather than just returning the HTML of their children in a
get_html call.

[LMS-223]
[LMS-1170]

Studio: Drag and Drop Container

The old code created keys like "('course', 'org')", and the space
character caused a warning from Django during tests.  Also, strings are
probably better than tuples for keys.

@jzoldak showed me that setting `USE_I18N = DEBUG` didn't actually accomplish
what I had hoped it would -- changing DEBUG didn't also change USE_I18N.
This pull request accomplishes what I was trying to accomplish, without being
quite so clever about it.

Tie the USE_I18N setting to DEBUG setting