swift get slected row data in tableview cell
override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
    let indexPath = tableView.indexPathForSelectedRow() //optional, to get from any UIButton for example
    let currentCell = tableView.cellForRowAtIndexPath(indexPath) as UITableViewCell
    print(currentCell.textLabel!.text)
