[Seaside] Bicephale + call: + redirect

[Ramon Leon]

> More generally, I'm interested in hearing your experience so 
> far, as you are probably the only user of Bicephale at this 
> point (maybe we can take this offlist).
> 
> best,
> Michal

No no, keep it on the list, I'm interested in seeing discussion on
static url's, very important topic and something that's still much too
difficult in seaside at the moment.