Git commits in Moodle 3.5.0 by Thom Rawson

commit 6fb64a4ec04fa66ecb57584f963e9c35b46270e9
Author: Thom Rawson <thomw@tallthom.com>
Date:   Wed, 21 Mar 2018 18:09:46 +0800
Tag:    v3.5.0-beta

MDL-61574 mod_lti: removed usage of PHP7 reserved word in namespace