a fairly complete Nynorsk implementation added

src/nynorsk/SymbolNno.gf

@@ -0,0 +1,4 @@
+--# -path=.:../scandinavian:../abstract:../common:../prelude
+
+concrete SymbolNno of Symbol = CatNno ** SymbolScand with
+  (ResScand = ResNno) ;