[packagekit] (part 2) detecting if a package is in the local cache

[Richard Hughes]

On Tue, 2009-03-03 at 15:47 +0000, Richard Hughes wrote:
> The attached patch adds the following text to the Details::size value:
> 
> "If the package is not installed, and already downloaded and present
> in the package manager cache, then this value should be set to zero."

I've committed this.

Richard.