Git commits in Moodle 3.1.4 by Josh Willcock

commit 1c2f8112127005ae2e982f4ee01afcf582cacb8e
Author: Josh Willcock <me@joshwillcock.co.uk>
Date:   Wed, 30 Nov 2016 01:55:04 +0800
Tag:    v3.1.4

MDL-57193 auth_db: Fixed bug suspends all users if external DB has > 10k