Git commits in Moodle 3.4.2 by David Knuplesch

commit 07dc19ad698f47ae07d66595780558a149815b1c
Author: David Knuplesch <david.knuplesch@uni-ulm.de>
Date:   Mon, 23 Oct 2017 20:09:12 +0800
Tag:    v3.4.2

MDL-60549 lti: support for  moving embedded lti into separate tab