Git commits in Moodle 2.2.4 by Vadim Dvorovenko

commit d78b67b2fc5d7c8e206c55f9e200410076e85ba2
Author: Vadim Dvorovenko <vadimon@mail.ru>
Date:   Wed, 16 May 2012 19:48:45 +0800
Tag:    v2.2.4

MDL-26562