fix favicon size in ie

src/main/webapp/js/controllers.js

@@ -97,7 +97,7 @@ module.controller('CategoryTreeCtrl', function($scope, $timeout, $stateParams,
 		SubscriptionService.init(function() {
 			$timeout(refreshTree, 15000);
 		});
-	}, 30000);
+	}, 15000);
 
 	$scope.SubscriptionService = SubscriptionService;
 

src/main/webapp/js/directives.js

@@ -7,7 +7,7 @@ module.directive('favicon', function() {
 			url : '='
 		},
 		replace : true,
-		template : '<img ng-src="favicon?url={{url}}" width="16" height="16"></img>'
+		template : '<img ng-src="favicon?url={{url}}" class="favicon"></img>'
 	};
 });