Updated Angular and Firebase versions in README

Author: Jacob Wenger

README.md

@@ -18,10 +18,10 @@ In order to use AngularFire in your project, you need to include the following f
 
 ```html
 <!-- AngularJS -->
-<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.10/angular.min.js"></script>
+<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.0/angular.min.js"></script>
 
 <!-- Firebase -->
-<script src="https://cdn.firebase.com/js/client/2.1.1/firebase.js"></script>
+<script src="https://cdn.firebase.com/js/client/2.2.2/firebase.js"></script>
 
 <!-- AngularFire -->
 <script src="https://cdn.firebase.com/libs/angularfire/1.0.0/angularfire.min.js"></script>