Git commits in Moodle 3.6.6 by Leon Stringer

commit cce561cdfe0a0c804317f915d80c2803f058fb15
Author: Leon Stringer <leon@priorsvle.com>
Date:   Thu, 11 Apr 2019 19:20:45 +0800
Tag:    v3.6.6

MDL-59911 fileconverter_unoconv: Fix: test PDF fails after upgrade