[doap] Add GNOME extensions
[doap] Add GNOME extensions

The GNOME project provides an extension to DOAP that allows the
description of the maintainer/author of a project to specify the
GNOME userid.

Distrotech/json-glib,oerdnj/json-glib,Distrotech/json-glib,frida/json-glib,ebassi/json-glib,brauliobo/json-glib,Distrotech/json-glib,GNOME/json-glib,robtaylor/json-glib-gvariant,ebassi/json-glib,brauliobo/json-glib,GNOME/json-glib,brauliobo/json-glib,oerdnj/json-glib,oerdnj/json-glib,ebassi/json-glib,frida/json-glib,oerdnj/json-glib,robtaylor/json-glib-gvariant