Added PubSubjs to the list

Quick and simple definition for PubSubjs

PubSubjs/pubsub.d.ts

@@ -0,0 +1,25 @@
+module PubSubJS {
+    interface Base extends Publish, Subscribe, Unsubscribe {
+        version: string;
+        name: string;
+    }
+
+    interface Publish{
+        publish(message: any, data: any): bool;
+
+        publish(message:any, data:any, sync:bool, immediateExceptions:Function): bool;
+
+        publishSync(message: any, data: any): bool;
+    }
+
+    interface Subscribe{
+        subscribe(message: any, func: Function): any;
+    }
+
+
+    interface Unsubscribe{
+        unsubscribe(tokenOrFunction: any): any;
+    }
+}
+
+declare var PubSub: PubSubJS.Base;