Git commits in Moodle 2.8.4 by Ruslan Kabalin

commit d7e275f123931929d68ad494263e4dc58fcec624
Author: Ruslan Kabalin <r.kabalin@lancaster.ac.uk>
Date:   Thu, 05 Feb 2015 23:29:43 +0800
Tag:    v2.8.4

MDL-48841 admin: Fix scheduled task reset to defaults finctionality.