Git commits in Moodle 2.5.x by Steve Bader

commit 95ad1cee1276c04dd2b94054d4bab99698306430
Author: Steve Bader <smbader@ncsu.edu>
Date:   Fri, 02 Aug 2013 13:54:58 +0800
Tag:    v2.5.2

MDL-30852 grade report: Add aria attributes