Git commits in Moodle 3.5.5 by Martin Gauk

commit 5320dc672232d754f9eca73ae75756b8a3703d5d
Author: Martin Gauk <gauk@math.tu-berlin.de>
Date:   Mon, 25 Feb 2019 19:13:32 +0800
Tag:    v3.5.5

MDL-64941 qtype_multianswer: keep order of existing wrapped questions