Git commits in Moodle 3.7.x by Albert Gasset

commit f19beb3279ac858bf4b57e5d8c881a4755dc6b55
Author: Albert Gasset <albertgasset@fsfe.org>
Date:   Tue, 22 Jan 2019 00:00:17 +0800
Tag:    v3.7.0-beta

MDL-64642 tool_mobile: Web service tool_mobile_call_external_functions