Git commits in Moodle 2.9.0 by Logan Reynolds

commit 8db188c8cc419895e8149d723e76f411341ff13a
Author: Logan Reynolds <logan.reynolds@remote-learner.net>
Date:   Fri, 07 Jun 2013 10:16:44 +0800
Tag:    v2.9.0-beta

MDL-34684 tool_health: Added health check for course category structure