Git commits in Moodle 3.1.4 by Adam Olley

commit c483076ad929b06e6e5b6128a18d2ce2ec8f536b
Author: Adam Olley <adam.olley@blackboard.com>
Date:   Tue, 08 Nov 2016 12:22:49 +0800
Tag:    v3.1.4

MDL-56823 session: redis sessions don't honour $CFG->sessiontimeout