use mediator to distribute messages via dispatch method

src/Sprocket.cpp

@@ -44,10 +44,10 @@ void Sprocket::loop(){
 }
 
 void Sprocket::dispatch( uint32_t from, String &msg ) {
-    SprocketMessage mMsg;
-    mMsg.fromJsonString(msg);
-    if(mMsg.valid){
-        dispatchMessageToPlugins(mMsg);
+    currentMessage.fromJsonString(msg);
+    if(currentMessage.valid){
+        currentMessage.from = from;
+        publish(currentMessage.topic, currentMessage.payload);
     }
 }
 
@@ -61,14 +61,4 @@ void Sprocket::activatePlugins(Scheduler* scheduler, Network* network){
     for(Plugin* p : plugins){
         p->activate(scheduler, network);
     }
-}
-
-// TODO remove plugin dispatching  and onMessage in favor of mediator pub/sub
-void Sprocket::dispatchMessageToPlugins(SprocketMessage msg){
-    if(msg.type != SprocketMessage::NONE){ // baaaa
-        for(Plugin* p : plugins){
-            //Serial.println("dispatch to plugins");
-            p->onMessage(msg);
-        }
-    }
 }