Clean up some pep8/pylint violations as well

Make the UrlResetMixin load the urlconf after resetting it, and fix the ...

Catch InvalidLocationError

Make the UrlResetMixin load the urlconf after resetting it, and fix the comment client test that was leaving ENABLE_DISCUSSION_SERVICE at True

Make the problem handle empty fields and non-integers correctly.

Fix Lyla showing up everywhere.

Use separate venv for parallel builds

Cosmetic Cleanups Incidental to Next Gen Modulestore Implementaton

Dcadams/email on invite

Optionally email students on enroll/un-enroll actions
by instructor from enrollment tab in LMS.

Studio - revises transparent Sass color vars to use rgba() method

move marketing iframe breakout script to inside existing conditional

Previously XML data wasn't parsed in VideoDescriptor.__init__, leading
to the defaults being used for video settings.

Add handful of events to the Segment.io whitelist

Greater dir naming flexibility.

New course creator group.

Fix LMS-500: Random class in random module was None

Moves user activation from just clicking on reset password to following the link in the password reset email