Developer credits

Git commits in Moodle 2.4.2 by Erik Lundberg

commit a5c4a768483f261440f8d8780860d64067cd67d1
Author: Erik Lundberg <erik@dsv.su.se>
Date:   Tue, 05 Feb 2013 00:21:11 +0800
Tag:    v2.4.2

MDL-37835 Assignment unit tests fail when custom submission types are installed.