[scribus] images: fitting and filling the frame

[ale rimoldi]

hi

> Depending on the topic, explanation alone or video alone are sometime
> not clear enough. Having both makes it much more shareable.

i will try to setup a workflow where i can provide a scribus build with
the features, so that people can test...

it might take some time to setup, but it might help other people to
test the patches.

thanks to probono and aiena work, it has become much easier to do so...

ciao
a.l.e