Providing a new function addProperty which suports the new interface of ArduinoCloudProperty

Author: aentinger

src/ArduinoIoTCloud.h

@@ -50,7 +50,8 @@ class ArduinoIoTCloudClass {
   // Clean up existing Mqtt connection, create a new one and initialize it
   int reconnect(Client& net);
 
-  template<typename T, typename N=T> void addProperty(T & property, String name, permissionType permission_type = READWRITE, long seconds = ON_CHANGE, void(*fn)(void) = NULL, N minDelta = N(0)) {
+  template<typename T, typename N=T>
+  void addProperty(T & property, String name, permissionType permission_type = READWRITE, long seconds = ON_CHANGE, void(*fn)(void) = NULL, N minDelta = N(0)) {
     Permission permission = Permission::ReadWrite;
     if     (permission_type == READ ) permission = Permission::Read;
     else if(permission_type == WRITE) permission = Permission::Write;
@@ -64,6 +65,11 @@ class ArduinoIoTCloudClass {
     }
   }
 
+  template <typename T>
+  ArduinoCloudProperty<T> addProperty(T & property, String const & name, Permission const permission) {
+    return Thing.addProperty(property, name, permission);
+  }
+
 protected:
   friend class CloudSerialClass;
   int writeStdout(const byte data[], int const length);