[Sparkle] Sparkle and preference panes

[Christopher Atlan]

> how to you deploy the .prefPane currently? I'd suggest you bundle
> the .prefPane inside the .app (so it will get updated by Sparkle) and
> have some method to check whether the copy of your .prefPane in
> Library/PreferencePanes is up to date - you can do that on startup; no
> impact if it's up to date, if it ain't, you can replace it (ask the
> user first).

What about just install a symlink to Library/PreferencePanes so when  
the application gets updated also the .prefPane gets updated.

Christopher