Git commits in Moodle 3.4.x by Eva Davitasvili

commit ffa3e0e25ebc42d1280f629632ef7c67c218125d
Author: Eva Davitasvili <eva.davit@gmail.com>
Date:   Tue, 26 Jun 2018 02:08:42 +0800
Tag:    v3.4.4

MDL-60014 assign: Annotate PDF - catch no permission error