[Etoys] not saving projects to squeaklets

[Yoshiki Ohshima]

  Ties,

> As part of my 'one patch a day' project:
> 
> Every time a project gets loaded, a version is stored in the
> squeaklets subfolder, if it doesn't already exists. On the XO this to
> me seems a rather space-consuming operation without any direct
> benifit. If you agree, you might find attached patch of use, which
> does away with this wastefull behaviour. If you don't agree (which is
> most probable, because I'm probably overlooking something) I'd like to
> know what I'm overlooking.

  This should be good.  In the browser plugin situation, this caches
the data but even in that case, it can be removed after loading.  (If
I'm not overlooking anything^^;)

  Thank you!

-- Yoshiki