Git commits in Moodle 2.8.3 by Jetha Chan

commit 3014b8cb605d3dda18268b6a0765351138f97745
Author: Jetha Chan <jetha@moodle.com>
Date:   Mon, 19 Jan 2015 22:39:16 +0800
Tag:    v2.8.3

MDL-48542 user_menu: add custom user menu unit test

commit 2dfdb127b624cfa511cfcd22fc47cffb31e11567
Author: Jetha Chan <jetha@moodle.com>
Date:   Mon, 15 Dec 2014 09:05:35 +0800
Tag:    v2.8.3

MDL-48542 user_menu: add proper divider support