2.0.0-beta.12

Added

• Add LMS connection (back and front) to handle enrollment on course runs
• Add LMS backend with enrollment methods for Open edX

Changed

• Allow any format for course run urls
• Stop synchronizing user permission fields on oauth: is_staff and
  is_superuser
• Add default image for empty person portrait
• Add default images for empty organization logo and banner
• Add translation context to course and course run detail page section titles

Fixed

• Authentication urls should not be i18n
• Reorder sections on the course run detail page to mirror course detail page