Git commits in Moodle 3.6.x by Christian Lawson-Perfect

commit 7dcbe6a9833a6ab7a2be6f850a3adfa0fe8b9153
Author: Christian Lawson-Perfect <christianperfect@gmail.com>
Date:   Mon, 05 Feb 2018 23:09:27 +0800
Tag:    v3.6.0-beta

MDL-61355 SCORM: fix correct_response prefix check