Git commits in Moodle 3.5.1 by John Beedell

commit e7e91b8baec6b4c99ca73395b779b4ca044a74be
Author: John Beedell <jb23347@open.ac.uk>
Date:   Mon, 30 Apr 2018 18:33:26 +0800
Tag:    v3.5.1

MDL-62239 QTYPE: iOS 11.3 broke Moodle drag-drop question types