Update project authors statements to Dartino

pkg/immi_samples/lib/ios/ImmiSamples/LoginPresenter.h

-// Copyright (c) 2015, the Fletch project authors. Please see the AUTHORS file
+// Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE.md file.
 // Copyright (c) 2015 Google Inc. All rights reserved.
 
 #import <Foundation/Foundation.h>
 #import <UIKit/UIKit.h>
 #import "ViewPresenter.h"
 #import "Immi.h"
 
 @interface LoginPresenter : UIViewController <ViewPresenter,
                                               LoginPresenter,
                                               UITextFieldDelegate>
 @property (weak,nonatomic) IBOutlet UITextField* username;
 @property (weak,nonatomic) IBOutlet UITextField* password;
 @property (weak,nonatomic) IBOutlet UILabel* response;
 @property (weak,nonatomic) IBOutlet UILabel* user;
 @property (weak,nonatomic) IBOutlet UIButton* loginButton;
 @property (weak,nonatomic) IBOutlet UIButton* logoutButton;
 
 @property (readonly) UIViewController* viewController;
 @end