Git commits in Moodle 3.0.1 by Jetha Chan

commit 9993c6bcc02d1fb8b159b5a4931d557ae2b82976
Author: Jetha Chan <jetha@moodle.com>
Date:   Tue, 09 Jun 2015 17:12:31 +0800
Tag:    v3.0.1

MDL-37308 files: support transparency when not resizing; new unit test