Tidy up Flipper license headers [1/2]

Reviewed By: passy

Differential Revision: D17863711

fbshipit-source-id: 259dc77826fb803ff1b88c88529d7f679d3b74d8

flow-typed/flipper.js

@@ -1,7 +1,9 @@
 /**
- * Copyright 2018-present Facebook.
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
  * @format
  */
 

flow-typed/npm/unicode-substring.js

@@ -1,10 +1,13 @@
 /**
- * Copyright 2018-present Facebook.
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
  * @format
  * @flow
  */
+
 declare module 'unicode-substring' {
   declare export default function unicodeSubstring(
     baseString: string,

flow-typed/react.js

@@ -1,7 +1,9 @@
 /**
- * Copyright 2018-present Facebook.
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
  * @format
  */