Add classes for the stat page

Also removed the pie chart graph because it wasn't really useful.

mobile/www/index.html

@@ -90,6 +90,7 @@
 <script src="js/app.js"></script>
 <script src="js/database.js"></script>
 <script src="js/graph.js"></script>
+<script src="js/feclass.js"></script>
 <script src="js/stats.js"></script>
 <script src="js/comparator.js"></script>
 <script src="js/index.js"></script>