ECOM-3415 - Dashboard should show all XSeries association messages 

Registration: don't require terms of service if checkbox is hidden

Fixes test failures in e4613749

Fix list index out of range in Textbook's chapters.

Quiet the safe sessions logging for expected use cases

Remove unused profile name.

The profile name requires escaping when displayed. Proactively removing since it is not being used.

Allowed staff/admin of course to view ccx coach dashboard

Fix behaviour on empty response to problems

Add app_label to models to prevent Django1.9 warnings.

WIP: Lots of Python unittest speedups

Fixed progress exception for credit courses

Speed up comment client tests

Also accelerates forums UnicodeTestCases

Remove multiple course export format versions.

Don't hardcode student_module_history

Use SharedModuleStoreTestCase in the courseware navigation tests for speedup.

Whittling away at XML modulestore code

Add SharedModuleTestCase to git_import tests

aws_migrate may be used on boxes where that DB does not yet exist.

Check both url and title for the presence of code

Monkey patch django.db.models.options for faster cache expiry

Unit test speedups - Add context manager to SharedModuleStoreTestCase.

Ensuring page is loaded belongs in the page object.

AC-328 adding UXPL classnames to headings

Speed up course listing tests

for use when a test class has a setUpTestData() method which uses
variables set up in the setUpClass() method.
Change base teams API test class to use the context manager.

Wrap whole test with several publish/unpublish in same bulk_op.

Document use of --disable-migrations flag