Git commits in Moodle 3.7.0 by Nicolas Roeser

commit 88d0f635aeb5d2aace4ba83a0d461b278b4cae53
Author: Nicolas Roeser <nicolas.roeser@uni-ulm.de>
Date:   Mon, 11 Mar 2019 20:12:24 +0800
Tag:    v3.7.0-beta

MDL-64790 upgrade: parameter API doc regression fix