Add support to generate code for interface without a namespace (#46)

src-examples/ProxyInterfaceConsumerForAkka/Program.cs

@@ -7,6 +7,9 @@ public class Program
 {
     public static void Main()
     {
+        Akka.Remote.AddressUid auid = null;
+        IAddressUid addressUidProxy = new AddressUidProxy(auid);
+
         LocalActorRefProvider p = null;
         ILocalActorRefProvider proxy = new LocalActorRefProviderProxy(p);
     }