Update project authors statements to Dartino

src/pkg/power_management/power_management.gyp

-# Copyright (c) 2015, the Fletch project authors. Please see the AUTHORS file
+# Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE.md file.
 
 {
   'targets': [
     {
       'target_name': 'power_management_extension_lib',
       'type': 'shared_library',
       'include_dirs': [
         '../../../third_party/dart/runtime',
@@ skipping 26 matching lines @@
         }],
         ['OS=="linux"', {
           'cflags': [
             '-fPIC',
           ],
         }],
       ],
     },
   ],
 }