Inactive sites stay out of the way

In this release

• Improved
  Inactive sites stay out of the waySites marked inactive no longer show at signup, in report and renewal filters, or when admins set a user's site.
• Fixed
  Smoother lesson switchingLessons open more reliably on the course page, even when you switch quickly.
• Fixed
  Surveys updatedSurveys and the survey builder run on the latest SurveyJS version.

Part of the October round-up