Git commits in Moodle 3.1.4 by Jan Dageförde

commit f77e3ebb30ac3122707bf4542bab9b0f3577682c
Author: Jan Dageförde <jan.dagefoerde@ercis.uni-muenster.de>
Date:   Tue, 13 Dec 2016 01:43:47 +0800
Tag:    v3.1.4

MDL-57257 lesson: Validate type of numerical answer


commit d2297fdc35cfc89729659d4c16dda360405d8c21
Author: Jan Dageförde <jan.dagefoerde@ercis.uni-muenster.de>
Date:   Tue, 08 Nov 2016 17:26:08 +0800
Tag:    v3.1.4

MDL-56831 quiz: Declare YUI dependencies explicitly where needed