ArduinoJson is now a header-only library (issue #199)

include/ArduinoJson.h

@@ -5,9 +5,5 @@
 // https://github.com/bblanchon/ArduinoJson
 // If you like this project, please add a star!
 
-#include "ArduinoJson/DynamicJsonBuffer.hpp"
-#include "ArduinoJson/JsonArray.hpp"
-#include "ArduinoJson/JsonObject.hpp"
-#include "ArduinoJson/StaticJsonBuffer.hpp"
-
+#include "ArduinoJson.hpp"
 using namespace ArduinoJson;