Tweak appearance of registration views.

// FREEBIE

Signal/src/AppDelegate.m

@@ -122,6 +122,7 @@ static NSString *const kURLHostVerifyPrefix             = @"verify";
         RegistrationViewController *viewController = [RegistrationViewController new];
         UINavigationController *navigationController =
             [[UINavigationController alloc] initWithRootViewController:viewController];
+        navigationController.navigationBarHidden = YES;
         self.window.rootViewController = navigationController;
     }
 

Signal/src/ViewControllers/RegistrationViewController.m

@@ -67,7 +67,7 @@
         // iPhone 5 or smaller.
         [header autoSetDimension:ALDimensionHeight toSize:80];
     } else {
-        [header autoSetDimension:ALDimensionHeight toSize:225];
+        [header autoSetDimension:ALDimensionHeight toSize:220];
 
         UIImage *logo = [UIImage imageNamed:@"logoSignal"];
         OWSAssert(logo);