Git commits in Moodle 3.2.1 by Jan Dageförde

commit 34954a60506c3d2af372626371c57d4bdf42e529
Author: Jan Dageförde <jan.dagefoerde@ercis.uni-muenster.de>
Date:   Tue, 13 Dec 2016 01:43:47 +0800
Tag:    v3.2.1

MDL-57257 lesson: Validate type of numerical answer