Add connect function

reflux/reflux.d.ts

@@ -52,6 +52,7 @@ declare module  RefluxCore {
     function createActions(definition: ActionsDefinition): any;
     function createActions(definitions: string[]): any;
 
+    function connect(store: Store, key?: string):void;
     function listenTo(store: Store, handler: string):void;
     function setState(state: any):void;
 }