Git commits in Moodle 3.7.0 by Michael Spall

commit f1a22c4a1bb3629f3c2f3de3201ba3e2e19389b7
Author: Michael Spall <spalmich@isu.edu>
Date:   Sat, 01 Dec 2018 00:10:51 +0800
Tag:    v3.7.0-beta

MDL-64290 backup imscc: Use correct tempdir for imscc restore