Git commits in Moodle 3.3.2 by Pierre Guinoiseau

commit 1fd7f607066029932b91e16efdeca7fa6c850ede
Author: Pierre Guinoiseau <pierre.guinoiseau@catalyst.net.nz>
Date:   Thu, 11 May 2017 09:43:35 +0800
Tag:    v3.3.2

MDL-59504 pix: update icon for Mahara