Git commits in Moodle 3.6.0 by Ruslan Kabalin

commit 0030362e4c260351a51e362f0fc0daa03411b5b0
Author: Ruslan Kabalin <ruslan.kabalin@gmail.com>
Date:   Fri, 12 Oct 2018 19:16:33 +0800
Tag:    v3.6.0-beta

MDL-63431 atto_media: Fix non-unique id issues and extend tests.

commit cb6941685e07c08f83eb96760fe40ca66d03f78c
Author: Ruslan Kabalin <ruslan.kabalin@gmail.com>
Date:   Thu, 11 Oct 2018 21:47:47 +0800
Tag:    v3.6.0-beta

MDL-63431 atto_media: Add title global attribute support.