UITableViewDataSource for Xcode 6b7. They changed a few things

UITableViewDSExampl.swift

//
//  MainViewController.swift
//  AddEvents
//
//  Created by Michael Chirico on 9/6/14.
//  Copyright (c) 2014 Michael Chirico. All rights reserved.
//


import UIKit
import CoreData

class MainViewController: UIViewController, UITableViewDataSource {
    
    @IBOutlet weak var tableViewCell0: UITableView!

    var data = ["one","two","three","four"]
    var count=0
    
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
    }
    
    override func  viewDidAppear(animated: Bool) {
        tableViewCell0.reloadData()

    }
    
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    func numberOfSectionsInTableView(tableView: UITableView!) -> Int {
        // #warning Potentially incomplete method implementation.
        // Return the number of sections.
        return 1
    }
    
    
    func tableView(tableView: UITableView,
        cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {

            //let cell = UITableViewCell(style: UITableViewCellStyle.Value2, reuseIdentifier: nil)
            let cell = UITableViewCell(style: UITableViewCellStyle.Subtitle, reuseIdentifier: "Cell0")
            cell.detailTextLabel!.text = "DETAIL"  
            cell.textLabel!.text = data[indexPath.item]
            return cell
            
    }
    
    
    
    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        println("data count \(data.count)")
        return data.count
    }
    
    
    /*
    
    func sectionIndexTitlesForTableView(tableView: UITableView!) {
    
    }
    */
    
    
    /*
    // MARK: - Navigation
    
    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepareForSegue(segue: UIStoryboardSegue!, sender: AnyObject!) {
    // Get the new view controller using segue.destinationViewController.
    // Pass the selected object to the new view controller.
    }
    */
    
}

Reference: http://stackoverflow.com/questions/24024466/how-do-i-make-a-class-conform-to-a-delegate-in-swift