Git commits in Moodle 2.8.9 by Yuliya Bozhko

commit 85895307276da90ab34db7d42a0e2de2c10ca82b
Author: Yuliya Bozhko <yuliya.bozhko@totaralms.com>
Date:   Tue, 22 Sep 2015 22:25:46 +0800
Tag:    v2.8.9

MDL-51390 badges: Switch backpack URL to use HTTPS