Git merges in Moodle 3.2.9 by David Monllao

commit 9fd798836cc4581465d5bbb802e1d730df860866
Author: David Monllao <davidm@moodle.com>
Date:   Tue, 15 May 2018 15:42:24 +0800
Tag:    v3.2.9

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