Git commits in Moodle 3.2.x by Pierre Guinoiseau

commit 98982ba82b8918c05619738c30543f20f823945a
Author: Pierre Guinoiseau <pierre.guinoiseau@catalyst.net.nz>
Date:   Thu, 11 May 2017 09:43:35 +0800
Tag:    v3.2.5

MDL-59504 pix: update icon for Mahara