Developer credits
Git commits in Moodle 3.0.0 by Jakob
commit 90e815390af9e4813d26dd0599a837d1cd6d1988 Author: Jakob <jackermann@onlineschool.ca> Date: Wed, 04 Nov 2015 02:41:03 +0800 Tag: v3.0.0-rc2 MDL-51899 mod/assign: Allow 0.00 grades while editing a grade.