Git commits in Moodle 2.7.14 by David Monllao

commit e7bca5e773c640146d00733e912e87d98031087f
Author: David Monllao <davidm@moodle.com>
Date:   Mon, 02 May 2016 16:37:51 +0800
Tag:    v2.7.14

MDL-54008 tz: Avoid using Caracas tz