Remote JSON Data to tableView in iOS 8.0 (Swift)

remoteDataTableView.swift

import UIKit
import Foundation
import XCPlayground

XCPSetExecutionShouldContinueIndefinitely()

class RemoteAPI {
    func getData(completionHandler: ((NSArray!, NSError!) -> Void)!) -> Void {
        let url: NSURL = NSURL(string: "http://itunes.apple.com/search?term=Turistforeningen&media=software")
        let ses = NSURLSession.sharedSession()
        let task = ses.dataTaskWithURL(url, completionHandler: {data, response, error -> Void in
            if (error != nil) {
                return completionHandler(nil, error)
            }

            var error: NSError?
            let json = NSJSONSerialization.JSONObjectWithData(data, options: NSJSONReadingOptions.MutableContainers, error: &error) as NSDictionary
            
            if (error != nil) {
                return completionHandler(nil, error)
            } else {
                return completionHandler(json["results"] as [NSDictionary], nil)
            }
        })
        task.resume()
    }
}

var api = RemoteAPI()

class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSource {
    var tableView: UITableView!
    var items: NSMutableArray = []
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        self.view.frame = CGRect(x: 0, y: 0, width: 320, height: 480)
        self.tableView = UITableView(frame:self.view!.frame)
        self.tableView!.delegate = self
        self.tableView!.dataSource = self
        self.tableView!.registerClass(UITableViewCell.self, forCellReuseIdentifier: "cell")
        self.view?.addSubview(self.tableView)
        
        api.getData({data, error -> Void in
            if (data != nil) {
                self.items = NSMutableArray(array: data)
                self.tableView!.reloadData()
                self.view
            } else {
                println("api.getData failed")
                println(error)
            }
        })
    }
    
    func tableView(tableView: UITableView!, numberOfRowsInSection section: Int) -> Int {
        return self.items.count;
    }

    func tableView(tableView: UITableView!, cellForRowAtIndexPath indexPath: NSIndexPath!) -> UITableViewCell! {
        let cell: UITableViewCell = UITableViewCell(style: UITableViewCellStyle.Subtitle, reuseIdentifier: "cell")
        
        if let navn = self.items[indexPath.row]["trackName"] as? NSString {
            cell.textLabel.text = navn
        } else {
            cell.textLabel.text = "No Name"
        }
        
        if let desc = self.items[indexPath.row]["description"] as? NSString {
            cell.detailTextLabel.text = desc
        }
        
        return cell
    }
}

ViewController().view

Hi!
This looks really cool, but importing the project in XCode makes it proposing to convert to newer Swift and at the end many errors will prevent it from building...