Common gotchas upgrading from 4.0 -> 4.2

[Jasper Huijsmans]

Brian J. Tarricone wrote:
...
> i just committed my icon theme png/svg preference code, and as a side-effect,
> also committed my new runtime detection for SVG.  personally, i think this
> is sufficient, as it _definitely_ will not return SVG icons if gdk-pixbuf
> doesn't support SVG.  someone just needs to make up a less-complicated icon
> for the test, and commit it over top libxfcegui4/pixmaps/xfce-svg-test.svg.
> it's revertable if for some reason nobody likes this method, but a) it would
> be a hassle, b) i think this is a fine, low-risk solution.  thoughts?
> 

Ok. This works for me, even if the /etc/gtk-2.0/gdk-pixbuf.loaders file 
is set up wrong.

I like this solution.

	Jasper