Shuffle & Cleanup Stuff (#3080)

Source/ASPagerFlowLayout.h

@@ -0,0 +1,21 @@
+//
+//  ASPagerFlowLayout.h
+//  AsyncDisplayKit
+//
+//  Created by Levi McCallum on 2/12/16.
+//
+//  Copyright (c) 2014-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under the BSD-style license found in the
+//  LICENSE file in the root directory of this source tree. An additional grant
+//  of patent rights can be found in the PATENTS file in the same directory.
+//
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface ASPagerFlowLayout : UICollectionViewFlowLayout
+
+@end
+
+NS_ASSUME_NONNULL_END