Developer credits
Git commits in Moodle 2.4.6 by Ashley Holman
commit 214dd19aa2bbf6bae07729664738a51ae00e58ec Author: Ashley Holman <ashley@netspot.com.au> Date: Wed, 29 May 2013 12:07:38 +0800 Tag: v2.4.6 MDL-34989 assign: Allow students to submit when grade is overriden