Git commits in Moodle 2.9.0 by Ashley Holman

commit e629bd3ff37049f2b2803e71178819b326273e6b
Author: Ashley Holman <dscvlt@gmail.com>
Date:   Mon, 14 Jul 2014 17:17:38 +0800
Tag:    v2.9.0-beta

MDL-46356 assign: remove unnecessary get_area_files call