Developer credits
Git commits in Moodle 2.9.4 by Peter Miller
commit 374639d3e6f0e96860b29e304768b92370a70318 Author: Peter Miller <peterm9@goshen.edu> Date: Mon, 04 Jan 2016 17:52:30 +0800 Tag: v2.9.4 MDL-52078 gradebook: Stop totals including hidden items.