Git commits in Moodle 3.4.8 by Jun Pataleta

commit 87711249c3b48e8c0cec9bb3b327a6cf63ac4574
Author: Jun Pataleta <jun@moodle.com>
Date:   Fri, 01 Feb 2019 08:57:05 +0800
Tag:    v3.4.8

weekly release 3.4.7+


commit 56c15f5c99dbe498f2d36211c8069c2c29f7c35e
Author: Jun Pataleta <jun@moodle.com>
Date:   Wed, 30 Jan 2019 12:02:18 +0800
Tag:    v3.4.8

MDL-64725 composer: Use lowercase for package name of dev dependencies


commit 57d2a28425c93127b39624012f3b302b4fcdedb8
Author: Jun Pataleta <jun@moodle.com>
Date:   Thu, 24 Jan 2019 12:50:14 +0800
Tag:    v3.4.8

MDL-64597 behat: Properly import behat_util when dropping parallel sites