Git commits in Moodle 3.5.2 by Luke Carrier

commit 8cdf03c5a999d124e0e6015b2a03e7395f9c325e
Author: Luke Carrier <luke@carrier.im>
Date:   Thu, 18 Jan 2018 19:54:28 +0800
Tag:    v3.5.2

MDL-61238 cohort: require_once all libraries