Removed usages of JsonNodeIterator

test/Printers.cpp

@@ -0,0 +1,12 @@
+// Copyright Benoit Blanchon 2014
+// MIT License
+//
+// Arduino JSON library
+// https://github.com/bblanchon/ArduinoJson
+
+#include "Printers.hpp"
+
+std::ostream& operator<<(std::ostream& os, const ArduinoJson::JsonValue& v) {
+  os << "JsonValue";  // TODO
+  return os;
+}