Git commits in Moodle 2.5.2 by Daniel Myers

commit c43b7393f85899983d75a0202bb40be598e44dd6
Author: Daniel Myers <dmyers@mcneese.edu>
Date:   Mon, 15 Jul 2013 09:52:57 +0800
Tag:    v2.5.2

MDL-40260 block_course_overview: prevent MNET courses from being dimmed