Git commits in Moodle 3.1.3 by Jake Dallimore

commit 9c3cd30d97eab531afbeba1416ea12aa31936dc5
Author: Jake Dallimore <jake@moodle.com>
Date:   Tue, 13 Sep 2016 12:21:11 +0800
Tag:    v3.1.3

MDL-55945 login: fix https support for forgot_password.php