rename and fix template

IPython/frontend/html/notebook/templates/notebook.html

@@ -153,7 +153,6 b' data-notebook-id={{notebook_id}}'
 
 </div>
     <div id="notification_area">
-        <div id="notification"></div>
     </div>
 </div>
 
@@ -245,7 +244,7 b' data-notebook-id={{notebook_id}}'
 <script src="{{ static_url("js/notebook.js") }}" type="text/javascript" charset="utf-8"></script>
 <script src="{{ static_url("js/notificationwidget.js") }}" type="text/javascript" charset="utf-8"></script>
 <script src="{{ static_url("js/notificationarea.js") }}" type="text/javascript" charset="utf-8"></script>
-<script src="{{ static_url("js/kernelnotificationwidget.js") }}" type="text/javascript" charset="utf-8"></script>
+<script src="{{ static_url("js/initnotificationwidgets.js") }}" type="text/javascript" charset="utf-8"></script>
 <script src="{{ static_url("js/tooltip.js") }}" type="text/javascript" charset="utf-8"></script>
 <script src="{{ static_url("js/notebookmain.js") }}" type="text/javascript" charset="utf-8"></script>