[Seaside] SushiStore removed from Seaside

[Michael Lucas-Smith]

> Personally I would welcome it if GemStone and Cincom would take over
> Sushi Store, modernize and modularize it so that they can use it to
> show off their persistence solutions. This way customers could side by
> side compare and choose what is most appropriate for them. A magma
> version would certainly be appreciated as well.
>   

I'll keep that in mind when we get to doing demo apps / examples / 
documentation. There's a high probability we'll look at the sushi 
example and pick it up.

Cheers,
Michael