EFA(3pm): do not hard-code services list

=item B<efa_url> => I<efa_url>

Mandatory.  Sets the entry point to the EFA itinerary service.

The following URLs (grouped by country) are known.  A service marked with [!]

is not completely supported yet and may not work at all.

See C<< efa --list >> for a list of supported services.

=over

=item * Austria

=over

=item * L<http://efa.ivb.at/ivb/XSLT_TRIP_REQUEST2> (Innsbrucker Verkehrsbetriebe)

=item * L<http://efa.svv-info.at/sbs/XSLT_TRIP_REQUEST2> (Salzburger Verkehrsverbund)

=item * L<http://efa.vor.at/wvb/XSLT_TRIP_REQUEST2> (Verkehrsverbund Ost-Region)

=item * L<http://efaneu.vmobil.at/vvv/XSLT_TRIP_REQUEST2> (Vorarlberger Verkehrsverbund)

=item * L<http://www.linzag.at/static/XSLT_TRIP_REQUEST2> (Linz AG) B<[!]>

=item * The STV / Verkehrsverbund Steiermark is not supported since it returns

data with broken encoding

=back

=item * Germany

=over

=item * L<http://212.114.197.7/vgnExt_oeffi/XML_TRIP_REQUEST2> (Verkehrsverbund GroE<szlig>raum NE<uuml>rnberg)

=item * L<http://efa.vrr.de/vrr/XSLT_TRIP_REQUEST2> (Verkehrsverbund Rhein-Ruhr)

=item * L<http://app.vrr.de/standard/XML_TRIP_REQUEST2> (Verkehrsverbund Rhein-Ruhr with support for B<--full-route>)

=item * L<http://www2.vvs.de/vvs/XSLT_TRIP_REQUEST2> (Verkehrsverbund Stuttgart)

=back

=back

If you found a URL not listed here, please send it to

If you found a URL not listed there, please send it to

E<lt>derf@finalrewind.orgE<gt>.

=item B<origin> => B<[> I<city>B<,> I<stop> [ B<,> I<type> ] B<]>