Git commits in Moodle 3.1.5 by Jake Dallimore

commit c8d7affbb52c8f38c6d64c083ae12f8e666969ff
Author: Jake Dallimore <jake@moodle.com>
Date:   Tue, 28 Feb 2017 10:19:28 +0800
Tag:    v3.1.5

MDL-35980 behat: fix link text in submission_comments feature

commit 95cd5edfab7a6fec7b9739a7bc906f6da59bc0dd
Author: Jake Dallimore <jake@moodle.com>
Date:   Wed, 22 Feb 2017 10:37:40 +0800
Tag:    v3.1.5

MDL-56206 themes: Text on Enrolled users page well aligned

commit f5b9fddac4444de2d2100d0d115af82fc27e7492
Author: Jake Dallimore <jake@moodle.com>
Date:   Mon, 13 Feb 2017 10:53:40 +0800
Tag:    v3.1.5

MDL-57795 mod_assign: fix for filters killing review pane when grading

commit 3bf7fdb1e8fe8a263e39aec1b921b90415a4a819
Author: Jake Dallimore <jake@moodle.com>
Date:   Fri, 10 Feb 2017 14:06:23 +0800
Tag:    v3.1.5

MDL-35980 comment: add comment info to delete button for screen readers

commit 8b913c588a4a073c891514f913bd2df13d50e757
Author: Jake Dallimore <jake@moodle.com>
Date:   Thu, 09 Feb 2017 09:51:47 +0800
Tag:    v3.1.5

MDL-56364 javascript: Prevent bad prototype chains in core dialogue

commit 903ef33978b8ad045def2c09b77b002e91687d6c
Author: Jake Dallimore <jake@moodle.com>
Date:   Tue, 31 Jan 2017 11:36:42 +0800
Tag:    v3.1.5

MDL-35978 comments: fix for comments block which has no toggler

commit 9660b5f47168ff7e4581d3898ac1c5481c077043
Author: Jake Dallimore <jake@moodle.com>
Date:   Wed, 18 Jan 2017 16:13:31 +0800
Tag:    v3.1.5

MDL-35978 comments: expandable comments announce change when toggled

commit 8e2349f196b716d3e58071e563eb0666947fc2ec
Author: Jake Dallimore <jake@moodle.com>
Date:   Wed, 21 Dec 2016 11:46:04 +0800
Tag:    v3.1.5

MDL-57480 core_course: make drag and drop fire a dom updated event