[Seaside] Seaside + SSP

[Stephen Pair]

> The problem is that the interesting part is not 
> HtmlGenerator but HtmlRenderer, and so you have to find ways 
> of representing things like anchorWithAction:text: in the 
> html.  But I still think it would be a decent way of adding 
> templating to the current system.

The following works:

----
renderContentOn: html
<ssp on: html>

<p><h1>Hello, I am an instance of <%= self class name %>!</h1>
<p><% html anchorWithAction: [self doSomething] text: 'Do something' %>
----

- Stephen