Don't hardcode https protocol in enrollment emails.

Accept span tag from xqueue. BLD-1006.

show a friendly message for an empty course rather than an error page

Fix location.url [LMS-2786]

Use external OpaqueKey implementations

[LMS-2757]

Fix/large email queries 2

Install EASE and requirements

corrected a typo; tried to clarify a different sentence

Check YouTube Availability for Video Tests

Allow editing of container xblocks/xmodules

Moved hardcoded defaults into settings

STUD-1312

Add ADDL_INSTALLED_APPS to studio for parity with lms

Fixes some stuff for metrics tab

Increase async script timeout in lettuce tests

Increase the default timeout for waiting in lettuce tests

Extract opaque_keys into a separate library

Make TinyMCE's HTML source code editor work under Internet Explorer

DOC-362, another set of students who don't get email

refactor _generate_items_for_subtask not to chunk queries

use django's iterator methor for querysets

remove bulk email query settings

use read_replica if available, since this is read-only

update changelog

Fix exception on Internet Explorer when adding first transcript language

Fix ChoiceTextResponse.

JavascriptResponse i18n.

Added trailing slashes to verify_student app urls.

Do not persist anonymous ids when exporting for all students of a course.

ChoiceGroup  i18n.

As TinyMCE's CodeMirror plug-in uses 'window.location.origin' which is not supported by Internet Explorer, the HTML or raw code editor does not work under Internet Explorer.
We need to create one in order to make these vendor codes work under Internet Explorer.

  Fixes some 500s after opaque-keys
  Adds a test which would have caught the 500s
  Fixes Transifex problem on the string % of students

Use http or https, depending on the value of `request.is_secure()`.
That is how links in most other emails are handled.