Git commits in Moodle 3.4.5 by Jake Hau

commit b405813ec09fc8447dd0d5e35aaba16af6972ce7
Author: Jake Hau <phuchau1509@gmail.com>
Date:   Tue, 05 Jun 2018 18:03:52 +0800
Tag:    v3.4.5

MDL-29701 editor: mform disableif doesn't work on editor element