GUACAMOLE-269: Add translations for empty options.
GUACAMOLE-269: Add translations for empty options.

jmuehlner/incubator-guacamole-client,glyptodon/guacamole-client,necouchman/incubator-guacamole-client,necouchman/incubator-guacamole-client,jmuehlner/incubator-guacamole-client,mike-jumper/incubator-guacamole-client,glyptodon/guacamole-client,glyptodon/guacamole-client,glyptodon/guacamole-client,mike-jumper/incubator-guacamole-client,mike-jumper/incubator-guacamole-client,glyptodon/guacamole-client,mike-jumper/incubator-guacamole-client,jmuehlner/incubator-guacamole-client,jmuehlner/incubator-guacamole-client,necouchman/incubator-guacamole-client,necouchman/incubator-guacamole-client