Rename CK classes to AS classes

AsyncDisplayKit/TextKit/ASTextKitTailTruncater.h

@@ -0,0 +1,17 @@
+/*
+ *  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>
+
+#import "ASTextKitTruncating.h"
+
+@interface ASTextKitTailTruncater : NSObject <ASTextKitTruncating>
+
+@end