Update project authors statements to Dartino

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

-// 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.
 
 #import "LoginPresenter.h"
 
 @interface LoginPresenter()
 @property UINavigationController* navigationController;
 @property Node* loginState;
 @end
 
@@ skipping 88 matching lines @@
      LoggedInStateNode* loggedIn = [self.loginState as:LoggedInStateNode.class];
      loggedIn.logout();
   }
 }
 
 - (UIViewController*)viewController {
   return self.navigationController;
 }
 
 @end