Git commits in Moodle 2.9.1 by Andrew Davis

commit 8f1d67ea09ec43f5915ccf12795b3a56799aab20
Author: Andrew Davis <andrew@moodle.com>
Date:   Fri, 29 May 2015 14:38:37 +0800
Tag:    v2.9.1

MDL-49885 core_blocks: fixed course_overview block applicable_formats()