Git commits in Moodle 3.3.6 by Cameron Ball

commit b22bc26c516c271d6933276a204524c7f51912d4
Author: Cameron Ball <cameron@moodle.com>
Date:   Thu, 11 Jan 2018 16:38:00 +0800
Tag:    v3.3.6

MDL-61194 assignfeedback_editpdf: Check if we can convert online text