Git commits in Moodle 3.3.4 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