Navigate to a view controller in the tab bar, from a SWRevealViewController menu

menuTableViewController.swift

override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
    let tabBarController = revealViewController().frontViewController as? UITabBarController
    let navController = tabBarController?.viewControllers![indexPath.row] as? UINavigationController
    navController?.popToRootViewControllerAnimated(true)
    tabBarController!.selectedIndex = indexPath.row
    revealViewController().pushFrontViewController(tabBarController,animated:true)
}