KIFCheckpointAppCode.swift

@IBAction func reloadData(sender: UIButton) {
    // ask the server for new data
    dataManager.refreshData { newData in 
        // update the data source and reload the table
        self.tableItems = newData
        self.tableView.reloadData()
        UITestUtils.postCheckpoint(kDataRefreshedCheckpoint)
    }
}