Git commits in Moodle 2.6.x 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

commit f8840f947ca395546f3901b3f511e60b5800be38
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Wed, 07 May 2014 14:11:23 +0800
Tag:    v2.6.4

MDL-42531 assign: refactor batch operations to use forms properly

commit 911d3e9f0b2883e108e2e34092c4c16a66ab5741
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Tue, 15 Apr 2014 12:18:55 +0800
Tag:    v2.6.3

MDL-44270 files: handle drag-drop js error when event has null types

commit 072c52bbc05be293c81a509085dfd370d3adb0aa
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Wed, 27 Mar 2013 15:08:37 +0800
Tag:    v2.6.0-beta

MDL-32191 navigation: Add keys to module and block settings nav nodes