Developer credits
Git commits in Moodle 3.3.0 by Martin Gauk
commit 8abec10d55c5f57d55917a51d7f8e86855832b61 Author: Martin Gauk <gauk@math.tu-berlin.de> Date: Mon, 13 Mar 2017 20:49:14 +0800 Tag: v3.3.0-beta MDL-58244 shibboleth: handle users who are logged out