Git commits in Moodle 2.8.0 by Daniel Kosinski

commit 43fb9ced67ae6105a7c70c809cb9cf964a28b9de
Author: Daniel Kosinski <de.kosinski@gmail.com>
Date:   Wed, 06 Aug 2014 05:31:20 +0800
Tag:    v2.8.0-rc1

MDL-46219 assignment: delete files when resetting assign activities