     private let filterView: PerformanceFilterView
     private let tableView = UITableView()
     private let refreshControl = UIRefreshControl()
+    private let spinner = UIActivityIndicatorView(activityIndicatorStyle: .White)
     private let performanceCellIdentifier = "PerformanceCell"
 
     // MARK: - Lifecycle

        mediator.isLoading.producer
            .observeOn(UIScheduler())
            .startWithNext({ [weak self] isLoading in
                if !isLoading {
                    self?.refreshControl.endRefreshing()
                }
            })


        super.viewDidLoad()

        view.backgroundColor = UIColor.whiteColor()
        navigationItem.rightBarButtonItem = UIBarButtonItem(customView: spinner)

        tableView.allowsSelection = false
        tableView.registerClass(ContestCell.self, forCellReuseIdentifier: performanceCellIdentifier)
