Git merges in Moodle 3.2.8 by David Monllao

commit 0e24f8be19ea174b3f838f502b57527297c1d255
Author: David Monllao <davidm@moodle.com>
Date:   Thu, 01 Feb 2018 21:26:49 +0800
Tag:    v3.2.8

Merge branch 'install_32_STABLE' of https://git.in.moodle.com/amosbot/moodle-install into MOODLE_32_STABLE