Git commits in Moodle 2.9.0 by Ray Bon

commit 914cad87933f6a1e6ebd8afbad802f9602d132df
Author: Ray Bon <rbon@uvic.ca>
Date:   Wed, 14 Jan 2015 15:05:11 +0800
Tag:    v2.9.0-beta

MDL-48837 phpunit: Restore system default timezone