Git commits in Moodle 3.5.1 by HungTran

commit c5fd53af5d0891d44cabcd13eee25b227d1a7150
Author: HungTran <Hung.TranMinh1@Nashtechglobal.com>
Date:   Thu, 26 Apr 2018 15:27:38 +0800
Tag:    v3.5.1

MDL-62014 course: Add title to activity completion button