Use new printer setting to reduce code required by application
Use new printer setting to reduce code required by application

Updated demo to use new setting that allows an application to change the
output filename without the need to create the uri itself.

https://bugzilla.gnome.org/show_bug.cgi?id=676787

grubersjoe/adwaita,msteinert/gtk,msteinert/gtk,Sidnioulz/SandboxGtk,ebassi/gtk,jadahl/gtk,jigpu/gtk,ahodesuka/gtk,chergert/gtk,bratsche/gtk-,alexlarsson/gtk,ebassi/gtk,Lyude/gtk-,jessevdk/gtk,chergert/gtk,jessevdk/gtk,bratsche/gtk-,jigpu/gtk,Adamovskiy/gtk,alexlarsson/gtk,Lyude/gtk-,alexlarsson/gtk,ahodesuka/gtk,ebassi/gtk,chergert/gtk,jadahl/gtk,ahodesuka/gtk,alexlarsson/gtk,ahodesuka/gtk,alexlarsson/gtk,davidt/gtk,msteinert/gtk,jigpu/gtk,alexlarsson/gtk,grubersjoe/adwaita,jessevdk/gtk,Lyude/gtk-,ahodesuka/gtk,Lyude/gtk-,jadahl/gtk,davidgumberg/gtk,Adamovskiy/gtk,davidgumberg/gtk,bratsche/gtk-,jigpu/gtk,Sidnioulz/SandboxGtk,Lyude/gtk-,chergert/gtk,chergert/gtk,alexlarsson/gtk,msteinert/gtk,Distrotech/gtk2,msteinert/gtk,Lyude/gtk-,davidt/gtk,Adamovskiy/gtk,Distrotech/gtk2,Lyude/gtk-,davidt/gtk,grubersjoe/adwaita,davidt/gtk,Sidnioulz/SandboxGtk,ebassi/gtk,ebassi/gtk,Adamovskiy/gtk,Adamovskiy/gtk,Sidnioulz/SandboxGtk,davidgumberg/gtk,davidgumberg/gtk,jadahl/gtk,davidgumberg/gtk,davidgumberg/gtk,jigpu/gtk,jadahl/gtk,Sidnioulz/SandboxGtk,grubersjoe/adwaita,davidgumberg/gtk,chergert/gtk,Adamovskiy/gtk,ahodesuka/gtk,grubersjoe/adwaita,jessevdk/gtk,davidt/gtk,Adamovskiy/gtk,jadahl/gtk,Distrotech/gtk2,bratsche/gtk-,bratsche/gtk-,davidgumberg/gtk,Sidnioulz/SandboxGtk,grubersjoe/adwaita,grubersjoe/adwaita,msteinert/gtk,Lyude/gtk-,alexlarsson/gtk,bratsche/gtk-,chergert/gtk,grubersjoe/adwaita,jigpu/gtk,jessevdk/gtk,chergert/gtk,Adamovskiy/gtk,ebassi/gtk,davidt/gtk,Distrotech/gtk2,jigpu/gtk,jessevdk/gtk,Distrotech/gtk2,jigpu/gtk,jadahl/gtk,Distrotech/gtk2,jessevdk/gtk,ahodesuka/gtk,jadahl/gtk,ahodesuka/gtk