Git commits in Moodle 2.4.6 by Daniel Myers

commit 4fae47dedcc01244784257de9f2bd7d88bb8d4d8
Author: Daniel Myers <dmyers@mcneese.edu>
Date:   Mon, 15 Jul 2013 09:52:57 +0800
Tag:    v2.4.6

MDL-40260 block_course_overview: prevent MNET courses from being dimmed