[sugar] moving the activity registry into the shell module

[Marco Pesenti Gritti]

On Tue, Sep 16, 2008 at 1:32 PM, Marco Pesenti Gritti
<mpgritti at gmail.com> wrote:
> IMO the activity registry should ideally be public (to code running as
> olpc user).

I'm not clear about where such API should be exposed btw. I'd rather
not mix code that can only run as privileged into
sugar-base/sugar-toolkit.

Marco