Fix inclusion of examples in docs in non-srcdir builds
Fix inclusion of examples in docs in non-srcdir builds

This is a bit messy, since xsltproc insists on stripping relative
paths to the basename before consulting the paths.

https://bugzilla.gnome.org/show_bug.cgi?id=748640

jigpu/gtk,chergert/gtk,davidgumberg/gtk,grubersjoe/adwaita,alexlarsson/gtk,Adamovskiy/gtk,Adamovskiy/gtk,Adamovskiy/gtk,Adamovskiy/gtk,chergert/gtk,grubersjoe/adwaita,jigpu/gtk,davidgumberg/gtk,alexlarsson/gtk,chergert/gtk,Adamovskiy/gtk,grubersjoe/adwaita,Adamovskiy/gtk,jadahl/gtk,davidgumberg/gtk,jigpu/gtk,davidgumberg/gtk,jadahl/gtk,jigpu/gtk,alexlarsson/gtk,jigpu/gtk,davidgumberg/gtk,jadahl/gtk,alexlarsson/gtk,jadahl/gtk,grubersjoe/adwaita,jigpu/gtk,jadahl/gtk,jigpu/gtk,Adamovskiy/gtk,alexlarsson/gtk,grubersjoe/adwaita,chergert/gtk,chergert/gtk,Adamovskiy/gtk,davidgumberg/gtk,jadahl/gtk,jigpu/gtk,jadahl/gtk,alexlarsson/gtk,chergert/gtk,chergert/gtk,jadahl/gtk,davidgumberg/gtk,chergert/gtk,alexlarsson/gtk,alexlarsson/gtk,grubersjoe/adwaita,davidgumberg/gtk,grubersjoe/adwaita,grubersjoe/adwaita