Git commits in Moodle 3.2.6 by Mathew May

commit c84a3c9c402ea8acc39d2f383bc56015873d8255
Author: Mathew May <mathewm@hotmail.co.nz>
Date:   Fri, 08 Sep 2017 08:58:11 +0800
Tag:    v3.2.6

MDL-53244 login: Add error message for recaptcha