Developer credits

Git commits in Moodle 2.0.6 by Henning Bostelmann

commit 3be42c9e85c4a9a7dd53f17bfbfa682cc018f250
Author: Henning Bostelmann <henning.bostelmann@york.ac.uk>
Date:   Sat, 22 Oct 2011 19:19:18 +0800
Tag:    v2.0.6

MDL-29810 Assignment grading: don't include teachers in list of students

commit fc73d9e7b4ae7b9cd981b56cb86ca9bbd256b82d
Author: Henning Bostelmann <henning.bostelmann@york.ac.uk>
Date:   Tue, 13 Sep 2011 08:11:19 +0800
Tag:    v2.0.6

MDL-29350 Prevent duplication of groupings when copying activities

commit 5458ff4d23fa886c6b995b77bf74e3145261b367
Author: Henning Bostelmann <henning.bostelmann@york.ac.uk>
Date:   Sun, 21 Aug 2011 03:17:44 +0800
Tag:    v2.0.6

MDL-16553 Assignment, student view: show response files when no grade available