Git commits in Moodle 2.2.6 by Michael Aherne

commit 6dc38156a257a056edf2650f8478aaf431a7dd03
Author: Michael Aherne <Michael Aherne>
Date:   Wed, 17 Oct 2012 19:37:43 +0800
Tag:    v2.2.6

MDL-36101 auth_shibboleth Show appropriate error message for suspended accounts

commit 60bbf9897114d5486d1dfae3510b18ccca640219
Author: Michael Aherne <Michael Aherne>
Date:   Fri, 28 Sep 2012 19:31:36 +0800
Tag:    v2.2.6

MDL-35669 gravatar Provide default image URL to Gravatar