Developer credits
Git commits in Moodle 3.0.0 by Jan C. Dageförde
commit ee20bdcb8a3e7e2160fc1576db181359781393f0 Author: Jan C. Dageförde <jan.dagefoerde@ercis.uni-muenster.de> Date: Wed, 07 Oct 2015 13:48:00 +0800 Tag: v3.0.0-beta MDL-51679 course: Update groupmode CSS class