[PATCH] Add an 'About' dialog for the Qt UI

[Dirk Hohndel]

On Mon, 2013-06-24 at 14:36 +0300, Lubomir I. Ivanov wrote:
> From: "Lubomir I. Ivanov" <neolit123 at gmail.com>
> 
> The dialog is similar to the one in the GTK version
> 
> Signed-off-by: Lubomir I. Ivanov <neolit123 at gmail.com>
> ---
> 
> please, comment if something can be improved.

Looks fine to me - maybe a bit crowded.
Not sure if there's a better way to do this, so I pushed it.

/D