Git commits in Moodle 2.6.5 by Jonathon Fowler

commit 15e7db4e1d0506e4c3155f282f11cd7f2d3ce79e
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Wed, 25 Jun 2014 10:14:31 +0800
Tag:    v2.6.5

MDL-46080 assign: fix offline grading worksheet marker column