gistfile1.m

- (void)applicationDidFinishLaunching:(UIApplication *)application {    
  [window addSubview:[navigationController view]];
  [window makeKeyAndVisible];
  [[UIApplication sharedApplication] registerForRemoteNotificationTypes:(UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeSound | UIRemoteNotificationTypeAlert)];
}

// Delegation methods
- (void)application:(UIApplication *)app didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)devToken {
  Device *device = [[Device alloc] init];
  device.token = [devToken description];
  [device saveRemote];
  if ([device getRemoteId] != nil) {
    NSLog(@"success!");
  }
}

- (void)application:(UIApplication *)app didFailToRegisterForRemoteNotificationsWithError:(NSError *)err {
  NSLog(@"Error in registration. Error: %@", err);
}

minor thing: you're leaking the device in the second method. No?
In general -- thanks for the great work on Objective Resource!