[PUSHED] Use hyphen for copyright range in About box

[Jan Holesovsky]

Hi Robinson,

On 2012-06-26 at 15:51 +0200, Thorsten Behrens wrote:

> > [swag artwork]
> >
> > 	Wow - that's great work too - I believe Thorsten (or Bubli?) was
> > digging at web stores and the like for swag at some stage - but I forget
> > what the final outcome was.
> > 
> It meanwhile went to Leif, then to Simon. Kendy was then actually
> doing the stuff for FOSDEM. ;)

If I get details, I guess I could get you a permission from the FOSDEM
t-shirt author to use that.

All the best,
Kendy