Git commits in Moodle 3.3.5 by do-you-even-curl

commit 879c847aed307a401eb2bccfdcdad036202437a1
Author: do-you-even-curl <tim.schroeder.90@gmail.com>
Date:   Thu, 07 Dec 2017 21:01:48 +0800
Tag:    v3.3.5

MDL-60776 enrol: Fix header for custom fullnamedisplay formats