Add AUTHORS and LICENSE files, and copyright headers to relevant source files...

trunk/test/generator-output/copies/subdir/subdir.gyp

+# Copyright (c) 2009 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
 {
   'targets': [
     {
       'target_name': 'copies3',
       'type': 'none',
       'copies': [
         {
           'destination': 'copies-out',
           'files': [
             'file3',
           ],
         },
       ],
     },
     {
       'target_name': 'copies4',
       'type': 'none',
       'copies': [
         {
           'destination': '<(PRODUCT_DIR)/copies-out',
           'files': [
             'file4',
           ],
         },
       ],
     },
   ],
 }