update dojo to 1.7.3

lib/dojo/topic.js.uncompressed.js

@@ -0,0 +1,33 @@
+define("dojo/topic", ["./Evented"], function(Evented){
+	// summary:
+	//		The export of this module is a pubsub hub
+	//		You can also use listen function itself as a pub/sub hub:
+	//		| 	topic.subscribe("some/topic", function(event){
+	//		|	... do something with event
+	//		|	});
+	//		|	topic.publish("some/topic", {name:"some event", ...});
+
+	var hub = new Evented;
+	return {
+		publish: function(topic, event){
+			// summary:
+			//		Publishes a message to a topic on the pub/sub hub. All arguments after
+			// 		the first will be passed to the subscribers, so any number of arguments
+			// 		can be provided (not just event).
+			// topic: String
+			//		The name of the topic to publish to
+			// event: Object
+			//		An event to distribute to the topic listeners
+			return hub.emit.apply(hub, arguments);
+		},
+		subscribe: function(topic, listener){
+			// summary:
+			//		Subcribes to a topic on the pub/sub hub
+			// topic: String
+			//		The topic to subscribe to
+			//	listener: Function
+			//		A function to call when a message is published to the given topic
+			return hub.on.apply(hub, arguments);
+		}
+	}
+});