restore js57toosm

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@30188 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
more restores

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@30189 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4