Add comparator of characters

The user can now compare the stats of multiple characters with two
graph (column graph and polar spider).

Small refactor of the displayPolarSpider function to work in all pages.

mobile/www/js/routes.js

@@ -39,7 +39,21 @@ routes = [
     },
     {
         path: '/comparator/',
-        templateUrl: './pages/comparator.html'
+        templateUrl: './pages/comparator.html',
+        on: {
+            pageInit: (e, page) => {
+                $$("#btn-graph-column-chart").on("click", (event) => {
+                    switchGraph(event);
+                });
+                $$("#btn-graph-spider-web").on("click", (event) => {
+                    switchGraph(event);
+                });
+            },
+            // We must use the pageAfterIn event in order to open the smartselect directly
+            pageAfterIn: (e, page) => {
+                configureSmartSelectOfCharacters();
+            }
+        }
     },
     {
         path: '/about/',