Developer credits
Git commits in Moodle 2.9.5 by Greg Faller
commit 14156fca7d1e0817fd4b2d2d8fac66ce76f13a9b Author: Greg Faller <greg.faller@flinders.edu.au> Date: Thu, 14 Jan 2016 14:36:31 +0800 Tag: v2.9.5 MDL-50083 mod_assign: unlock submission when adding attempt