Add win32 path for config

Author: daspecster

gcloud/_helpers.py

@@ -189,8 +189,11 @@ def _default_service_project_id():
     :returns: Project-ID from default configuration file else ``None``
     """
     full_config_path = os.path.expanduser(DEFAULT_CONFIGURATION_PATH)
+    win32_config_path = os.path.join(os.getenv('APPDATA', ''),
+                                     'gcloud', 'configurations',
+                                     'config_default')
     config = configparser.RawConfigParser()
-    config.read(full_config_path)
+    config.read([full_config_path, win32_config_path])
 
     if config.has_section('core'):
         return config.get('core', 'project')