Git commits in Moodle 3.3.3 by David Castro

commit 3557004809e3d844e2c1c7ba333de21266e9fdb8
Author: David Castro <david.castro@blackboard.com>
Date:   Fri, 27 Oct 2017 03:55:06 +0800
Tag:    v3.3.3

MDL-60605 assignment: Added some styles to fix spacing in YUI file tree