fix #5618 - Use full list of ISO 3166 country codes from JDK for `addr:country` in presets with new preset attribute `values_from`

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5964 0c6e7542-c601-0410-84e7-c038aed88b3b
Merge branch 'master' into mirror