[sugar] Update.1 activities download script

[Chris Hager]

Bert Freudenberg wrote:
> Xo-get does a lot more with its database of installed activities etc. 
> Mine simply downloads and installs activities from the repository for 
> "supported" activities.
>
> But I'd be happy if someone merged my script into xo-get, I do not 
> intend to maintain it indefinitely.

I'm happy to merge your script into xo-get. Maybe something like 'xo-get 
upgrade'...?

>
> It should be simple to add the official activity repo to xo-get. 

What's the official activity repo?

- Chris


> In my script I like the simplicity of the default operation, which 
> simply upgrades all installed activities to the latest version found 
> in the repo. Also working from the console/ssh is useful, possibly one 
> should even support for installation without Sugar running (by simply 
> unzipping the .xo).
>
> - Bert -
>
>
>