Git commits in Moodle 3.1.3 by Yuriy Osychenko

commit 24ec5de7096938990e787555c007c6f08b9f78f0
Author: Yuriy Osychenko <yuriy.osychenko@gmail.com>
Date:   Mon, 17 Oct 2016 22:58:45 +0800
Tag:    v3.1.3

MDL-53098 lib: Mark form as submitted in confirmation dialog.