Git commits in Moodle 3.5.3 by Helen Foster

commit 8757d7cb6b677f50fd270be9ab83a3a67de67417
Author: Helen Foster <helen@moodle.org>
Date:   Fri, 26 Oct 2018 19:40:07 +0800
Tag:    v3.5.3

MDL-63730 lang: Merge English strings from the en_fix language pack