[PUSHED] fdo#46193: Made MessageBox copyable

[Miklos Vajna]

Hi Tamas,

On Mon, Aug 06, 2012 at 09:48:11PM +0200, zolniatamas at caesar.elte.hu wrote:
>  52 files changed, 308 insertions(+), 2010 deletions(-)

First I didn't understand this one, but when I recounted the stats, I
got:

52 files changed, 1844 insertions(+), 1773 deletions(-)

which is much closer to what I expected. :-)

I see no obvious problem with the patch and the new feature works fine,
pushed now to master.

Thanks,

Miklos