Git commits in Moodle 3.7.x by Tony Butler

commit 31e1884de22a216273243f3e73c729b623dcad1f
Author: Tony Butler <tonyjbutler@gmail.com>
Date:   Mon, 05 Mar 2018 23:26:46 +0800
Tag:    v3.7.0-beta

MDL-61633 assignfeedback_editpdf: Scroll back to top when changing pages