* Upgraded MarketPress Bundle to 2.9.5.3
* Added warning message (for admins) to the course overview page if "anyone can register" is not selected
* Fixed issue with instructor capabilities settings and saving
* Fixes possible issues with rewrite rules formating and avoid 404s
* Fixed issue with non-protected discussions for students who didn't enroll to the course
* Fixed issue with visibility of the draft units for admins and instructors


git-svn-id: https://plugins.svn.wordpress.org/coursepress/trunk@993374 b8457f37-d9ea-0310-8a92-e5e31aec5664