Updated version numbers in README

Author: Jacob Wenger

README.md

@@ -18,13 +18,13 @@ 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/1.3.0-beta.17/angular.min.js"></script>
+<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.0-beta.19/angular.min.js"></script>
 
 <!-- Firebase -->
 <script src="https://cdn.firebase.com/js/client/1.0.21/firebase.js"></script>
 
 <!-- AngularFire -->
-<script src="https://cdn.firebase.com/libs/angularfire/0.8.0/angularfire.min.js"></script>
+<script src="https://cdn.firebase.com/libs/angularfire/0.8.2/angularfire.min.js"></script>
 ```
 
 Use the URL above to download both the minified and non-minified versions of AngularFire from the