Git commits in Moodle 3.5.5 by Ryan Wyllie

commit 070f24d006eab6b958eb083530de159b43c538ed
Author: Ryan Wyllie <ryan@moodle.com>
Date:   Wed, 06 Feb 2019 08:59:19 +0800
Tag:    v3.5.5

MDL-63786 core: set $CFG->forceclean for logged in as sessions