Git commits in Moodle 2.8.4 by Jetha Chan

commit 1f70c8582d18b3af29be789cac7a8063d26179f3
Author: Jetha Chan <jetha@moodle.com>
Date:   Fri, 06 Feb 2015 16:54:29 +0800
Tag:    v2.8.4

MDL-36009 grader_gradereport: filler and extra user cells should not be headers

commit f4966d09b2871ee579ae9eabdab6ecfe11dcd59b
Author: Jetha Chan <jetha@moodle.com>
Date:   Tue, 03 Feb 2015 17:37:30 +0800
Tag:    v2.8.4

MDL-49073 timezones: update to 2015a (2323 rules)