[packagekit] New pk-update-viewer interface

[Jakub 'Livio' Rusinek]

Richard Hughes pisze:
> I've attached two new screenshot of pk-update-viewer. The first is in
> master, but I like the second better.
>
> The checkboxes don't do anything yet but can soon be connected to the
> new multi-package_id methods so we can select the list manually.
>
> The other thing is replacing the GtkTextBox with a GtkTreeView, which is
> much better from a HIG point of view (not using a random monospace font
> for positioning), and is much more maintainable as it's less "magic".
> I've used a custom renderer for the clickable links, which seems look
> good, but might need a few tweaks.
>
> This also means that a multiline description stays in the "right" side
> of the pane from an aesthetic point of view.
>
> So, do you like screenshot 1 or 2? Or do you have a better idea?

I see no screenshot-1.

What about merging those two vertical colums, by creating one big 
treeview, which items could containt gtk-expander with info from the right?