Git commits in Moodle 3.3.4 by Frederic Massart

commit a34f98e166d8e4c00be166f4e4ce3704432081b4
Author: Frederic Massart <fred@fmcorz.net>
Date:   Thu, 23 Feb 2017 12:10:14 +0800
Tag:    v3.3.4

MDL-58058 competency: Allow unspecified sortorder for new competencies