Git commits in Moodle 2.6.6 by Daniel Kosinski

commit a001ca90b4c30c4ca81a6a564f8b4c28b7c4e95d
Author: Daniel Kosinski <de.kosinski@gmail.com>
Date:   Wed, 06 Aug 2014 05:31:20 +0800
Tag:    v2.6.6

MDL-46219 assignment: delete files when resetting assign activities