Convert acceptance to opaque keys
Fix course export/updates and upload CMS acceptance tests.
Fix cms hardcoded keys
Remove unneeded import
Teach mongo_connection to retry read operations in the face of AutoReconnect errors
Change email address detection in TinyMCE link plugin.
	- If link has a "@" and a ":", do not consider it an email address.
Add un-minified version of plugin.js file for link plugin.
Update build instructions to include media plugin.
Commit re-built minified JS.
Add all plugins to Jakefile.js in zip file.
Reason for this commit:
Split acceptance test was failing when TinyMCE detected a Split asset
key as an email address. Fix was to modify email address detection.
Fix hardcoded course urls
Alpha OLX guide
Merge pull request #5230 from edx/markhoeber-doc913

WIP: edXML Doc Draft
Fix error when doing non-ASCII forum search

Fixes TNL-160
Add cohort information to forum search events
Remove dead code
Add events for cohort modifications

This includes cohort creation/deletion and membership changes.
Add _get_request_value to safely access request.REQUEST for browser events.
TNL-172: Change type of a previously posted post. IMPORTANT: this commit depends on commit 774887b in cs_comments_service.
Merge pull request #5463 from edx/gprice/cohort-events-take2

Cohort events
Add documentation for cohort events
Merge pull request #5419 from edx/split/acceptance_split

Get acceptance tests to run on split
fixup! Add documentation for cohort events

Reword description of auto vs. manual creation of cohorts and user
addition to cohorts.
Merge pull request #5308 from edx/jmclaus/forum-thread-type

Change the thread type of a previously posted post. [TNL-172]