Update to use UTC time in course dates

Disable flaky JS FileUploader SystemFeedback and NotificationView tests

Consequences of changing configuration

Info for moderators

Changed default post type to discussion.

CyberSource donations (back-end)

Reformat seq_module.py

Use all courses during OAut2/OpenID Connect

Ahodges/doc/cohorts

Add tax-deductible messaging to the confirmation email and receipt pages.
Update receipt page to make the course URL optional

Add _get_request_value to safely access request.REQUEST for browser events.

Use ddt for shib tests

Previously, only courses respective to the branded instance were returned.

AN-3610

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

Get acceptance tests to run on split

TNL-172: Change type of a previously posted post. IMPORTANT: this commit depends on commit 774887b in cs_comments_service.

WIP: edXML Doc Draft

	- 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.

TNL-559

Fix cached definition change detection

Fixed incorrect relative time value.

TNL-157

Show date and time on Schedules and Details in UTC (TNL-85).

Additional dollar sign in template

Remove no longer used stage-edge.edx.org.