Git commits in Moodle 2.4.4 by Ruslan Kabalin

commit 414095a01428fbbef4e97198041ba5160bc398e4
Author: Ruslan Kabalin <r.kabalin@lancaster.ac.uk>
Date:   Mon, 15 Apr 2013 17:30:36 +0800
Tag:    v2.4.4

MDL-34939: Fix clamdscan permissions-related issues