Developer credits
Git commits in Moodle 3.1.0 by Nick Phillips
commit 7bdc3ba6e6e26c838ef9b715715a5c00a6920dad Author: Nick Phillips <nick.phillips@otago.ac.nz> Date: Mon, 11 Apr 2016 04:46:02 +0800 Tag: v3.1.0-beta MDL-53757 core_calendar: always show whole day's events in 'day' view