Removing incorrect slash at start of topics

There should not be a slash at the start of any topics.

README.md

@@ -67,7 +67,7 @@ The client should work in any browser fully supporting WebSockets, [http://caniu
 
 ## Getting Started
 
-The included code below is a very basic sample that connects to a server using WebSockets and subscribes to the topic ```/World```, once subscribed, it then publishes the message ```Hello``` to that topic. Any messages that come into the subscribed topic will be printed to the Javascript console.
+The included code below is a very basic sample that connects to a server using WebSockets and subscribes to the topic ```World```, once subscribed, it then publishes the message ```Hello``` to that topic. Any messages that come into the subscribed topic will be printed to the Javascript console.
 
 This requires the use of a broker that supports WebSockets natively, or the use of a gateway that can forward between WebSockets and TCP.
 
@@ -87,9 +87,9 @@ client.connect({onSuccess:onConnect});
 function onConnect() {
   // Once a connection has been made, make a subscription and send a message.
   console.log("onConnect");
-  client.subscribe("/World");
+  client.subscribe("World");
   message = new Paho.MQTT.Message("Hello");
-  message.destinationName = "/World";
+  message.destinationName = "World";
   client.send(message);
 }