Git commits in Moodle 3.3.x by Mathew May

commit 53b2f1cf4a66ccf5171fe5033d85b4f3f061c0b7
Author: Mathew May <mathewm@hotmail.co.nz>
Date:   Tue, 03 Oct 2017 06:05:25 +0800
Tag:    v3.3.4

MDL-57431 mod_quiz: Quiz editing help icon fix

commit c92f6d056a9cb013a26da0409d429ee8dfe2dfa0
Author: Mathew May <mathewm@hotmail.co.nz>
Date:   Fri, 08 Sep 2017 09:03:49 +0800
Tag:    v3.3.3

MDL-53244 login: Add error message for recaptcha

commit a446095f172081491754f50ea83b3ee1a8701acb
Author: Mathew May <mathewm@hotmail.co.nz>
Date:   Thu, 15 Dec 2016 11:22:37 +0800
Tag:    v3.3.0-beta

MDL-52098 enrol: cohort now looks at instance status