Add standard header to node_modules_paths.js. Add adaptation note to default_resolver.js.

Author: tvald

packages/jest-resolve/src/default_resolver.js

@@ -34,7 +34,7 @@ function defaultResolver(path: Path, options: ResolverOptions): Path {
 module.exports = defaultResolver;
 
 /*
- * resolve logic, adapted from resolve.sync
+ * Adapted from: https://github.com/substack/node-resolve
  */
 type ErrorWithCode = Error & {code?: string};
 

packages/jest-resolve/src/node_modules_paths.js

@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2014, 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.
+ *
+ * Adapted from: https://github.com/substack/node-resolve
+ *
+ * @flow
+ */
+
 import type {Path} from 'types/Config';
 import path from 'path';