Latest invoice window edits gtk+ requirements

[Geert Janssens]

On vrijdag 11 november 2011, Christian Stimming wrote:
> Zitat von Geert Janssens <janssens-geert at telenet.be>:
> > Hmm, good point. So far there are no changes yet that require 2.24
> > as far as I
> > know. But we'll see what turns up when the DISABLE_DEPRECATED defines are
> > used.
> > 
> > Shouldn't we change configure.ac already to require 2.18 ? There is a
> > comment in there that this is currently still 2.16 because the windows
> > build didn't build with a more recent version. But the windows build is
> > currently using 2.24 already.
> 
> Yes, I think we can increase our required gtk here. (I'm working with
> 2.24 as well during my development.)
> 
Ok, 2.18.1 (as per the comment in configure.ac) is now the new baseline on 
trunk.

Geert