Git commits in Moodle 2.2.6 by Itamar Tzadok

commit 4818668672645ddcc6555e0e6cb1edd0ea388ead
Author: Itamar Tzadok <itamar@substantialmethods.com>
Date:   Tue, 04 Sep 2012 10:43:48 +0800
Tag:    v2.2.6

MDL-32688 My Moodle - Fixed fatal error in guest access to My Moodle