Git commits in Moodle 3.10.x by Thomas Wedekind

commit 3540343ceb1f2883475a1bcc16c7ad4ca65ef725
Author: Thomas Wedekind <thomas.wedekind@univie.ac.at>
Date:   Tue, 25 Aug 2020 23:26:07 +0800
Tag:    v3.10.0-beta

MDL-69582 tool_customlang: export cli script

commit 78076a621f6409fc7ccedd718ad6bff321c88288
Author: Thomas Wedekind <thomas.wedekind@univie.ac.at>
Date:   Mon, 24 Aug 2020 21:42:34 +0800
Tag:    v3.10.0-beta

MDL-69582 tool_customlang: add export langstring feature