[scribus] Drop Shadow

[Peter Nermander]

> In order for Scribus to properly support soft shadows, it would have to
> first natively support both transparency and various forms of gradients
> (especially gradients that directly follow the shape of an object), and
> be able to treat transparency as a variable element of those gradients.

As a.l.e. suggests, the limitation is not in Scribus, it is in the PDF format.

Only the newest PDF versions support transparency.

/Peter