How to customize UITableView?

//
//  ViewController.swift
//  tableView
//
//  Created by Gabriel Rodrigues on 03/12/15.
//  Copyright © 2015 Sephirot. All rights reserved.
//

import UIKit
import Alamofire
import SwiftyJSON

class ViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
  var texto: [String] = []@ IBOutlet weak
  var table: UITableView!

    override func viewWillAppear(animated: Bool) {
      self.table.reloadData()
    }

  override func viewDidLoad() {
    super.viewDidLoad()
    table.delegate = self
    table.dataSource = self
    
    // essas propriedades falam pra sua tableView que o tamanho da row será automático mas que o esperado é 100
    table.estimatedRowHeight = 100 
    table.rowHeight = UITableViewAutomaticDimension

    loadPosts()
  }

  func loadPosts() {
    let url = "http://puc.vc/painel/webservice/procedimentosacademicos/"
    Alamofire.request(.GET, url)
      .responseJSON {
        response in

          if
        let value: AnyObject = response.result.value {
          let post = JSON(value)
          for (_, subJson) in post {
            self.texto.append(subJson.stringValue)
          }
        }

        dispatch_async(dispatch_get_main_queue(), {
          self.table!.reloadData()
        })
      }
  }

  override func didReceiveMemoryWarning() {
    super.didReceiveMemoryWarning()
  }

  func tableView(tableView: UITableView, numberOfRowsInSection section: Int) - > Int {
    return self.texto.count
  }

  func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) - > UITableViewCell {
    
    // agora sua cell será do tipo CustomTableViewCell
    let cell = tableView.dequeueReusableCellWithIdentifier("customCell", forIndexPath: indexPath) as! CustomTableViewCell

    // setando o texto na label textoBasico
    cell.textoBasico.text = self.texto[indexPath.row]
    print(self.texto[indexPath.row])
    return cell
  }

}

// Classe que herda de UITableViewCell para ser sua custom cell
class CustomTableViewCell: UITableViewCell {
   @IBOutlet var textoBasico: UILabel!
}