Developer credits
Git commits in Moodle 3.0.x by Colin Campbell
commit f71446f628d05f6d48476996d8eafac2164b3c1e Author: Colin Campbell <colin@umn.edu> Date: Mon, 02 Nov 2015 23:45:36 +0800 Tag: v3.0.3 MDL-51715 lib/grade: Unit test for aggregationweight
commit 26933d15b00103c528f320dcfcf5e6f87954393b Author: Colin Campbell <colin@umn.edu> Date: Sat, 10 Oct 2015 00:14:04 +0800 Tag: v3.0.3 MDL-51715 lib/grade: Zero out aggregationweight for novalue and dropped
commit 9901bdf7eb89f72bac099fbcc0d42f93662896f8 Author: Colin Campbell <colin@umn.edu> Date: Sat, 12 Sep 2015 04:23:06 +0800 Tag: v3.0.0-beta MDL-51305 grade: Fix slow grade operations by setting grade_item early.