Git commits in Moodle 3.6.3 by Martin Gauk

commit f484cf49c443212002664e688a20f1dc99c7bd66
Author: Martin Gauk <gauk@math.tu-berlin.de>
Date:   Mon, 25 Feb 2019 19:13:32 +0800
Tag:    v3.6.3

MDL-64941 qtype_multianswer: keep order of existing wrapped questions