Git commits in Moodle 1.9.18 by Rossiani Wijaya

commit 4928e13799ad344bc7babba93a28ae77a830080f
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Mon, 30 Apr 2012 17:07:15 +0800
Tag:    v1.9.18

MDL-18335 calendar event: fixed role capability checking to create new event