Hide unpublished courses from privileged users to avoid confusion: https://trello.com/c/b6Kd3qg4
Fix Unicode issues with course ID values
Removed wrong `edraak` app
Merge pull request #3 from Edraak/home-page-courses-fixes

Course limit on homepage and course order
Merge pull request #8 from Edraak/remove-wrong-edraak-app

Removed wrong `edraak` app
Merge pull request #7 from Edraak/fixed-cms-course-unicode-issues

Fix Unicode issues with course ID values
Allowed unicode in username and organization name