adjusting some buttons in the examples

docs/examples/app-android-notes/index.html

@@ -152,8 +152,8 @@
             </div>
           </li>
         </ul>
-        <div class="container">
-          <a class="btn btn-positive btn-block">Save settings</a>
+        <div class="content-padded">
+          <button class="btn btn-positive btn-block">Save settings</button>
         </div>
       </div>
     </div>

docs/examples/app-movies/index.html

@@ -161,8 +161,8 @@
             </div>
           </li>
         </ul>
-        <div class="container">
-          <a class="btn btn-positive btn-block content-padded">Save settings</a>
+        <div class="content-padded">
+          <button class="btn btn-positive btn-block">Save settings</button>
         </div>
       </div>
     </div><!-- /.modal -->