Git commits in Moodle 2.7.5 by David Balch

commit e119e084eca1f885d8fa67c43dd0e9f1cab61429
Author: David Balch <david.balch@conted.ox.ac.uk>
Date:   Thu, 08 Jan 2015 02:18:21 +0800
Tag:    v2.7.5

MDL-48574 assign: Test workflow_state_updated fired on batch and single.

commit e2a3ea029a37db3409413a8ae7936025b7c1f5f1
Author: David Balch <david.balch@conted.ox.ac.uk>
Date:   Thu, 11 Dec 2014 20:21:50 +0800
Tag:    v2.7.5

MDL-48574 assign: Fire workflow_state_updated event on batch and single.