Fix the correct broken href and undo previous href change

Author: jwieringa

index.html

@@ -62,7 +62,7 @@
               </a>
             </li>
             <li>
-              <a href="http://angular-ui.github.io/ui-router/sample">
+              <a href="https://github.com/angular-ui/ui-router">
                 UI-Router
               </a>
             </li>
@@ -203,7 +203,7 @@ <h1 class="page-header">
           UI-Router
           <small>Grid virtualization written natively in AngularJS</small>
           <span class="btn-group pull-right">
-            <a class="btn btn-primary btn-large" href="http://angular-ui.github.io/ui-router">Site</a>
+            <a class="btn btn-primary btn-large" href="http://angular-ui.github.io/ui-router/sample">Site</a>
             <a class="btn btn-inverse btn-large" href="https://github.com/angular-ui/ui-router">Code</a>
           </span>
         </h1>