Git commits in Moodle 3.3.4 by Helen Foster

commit a1e72fc747ed06d8c36ee5db2d8ecde986eb2f0c
Author: Helen Foster <helen@moodle.org>
Date:   Thu, 04 Jan 2018 19:09:15 +0800
Tag:    v3.3.4

MDL-61046 lang: Merge English strings from the en_fix language pack