The new gadget namespaces that come with the gadget 2.0 extension should be translated as follows:
Gadget - "Smától"
Gadget talk - "Smátólaspjall"
Gadget definition - "Smátóla skilgreining"
Gadget definition talk - "Smátóla skilgreiningarspjall"
If community conseus is needed for this change, then please ping me.