Fix test_sky in release builds

sky/tools/sky_server

 #!/usr/bin/env python
 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import argparse
 import cherrypy
 import json
 import os
 import staticdirindex
-import skypy.paths as paths
+from skypy.paths import Paths
+import skypy.configuration as configuration
 
 def skydir(section="", dir="", path="", **kwargs):
     if cherrypy.request.params.get('format') is None:
         return '<sky><import src="/sky/examples/file-browser.sky"/><file-browser/></sky>'
     result = dict()
     result['directories'] = []
     result['files'] = []
     for _, dir_names, file_names in os.walk(path.rstrip(r"\/")):
         for dir_name in sorted(dir_names):
             result["directories"].append(dir_name)
 
         del dir_names[:] # limit to one level
 
         for file_name in sorted(file_names):
             result["files"].append(file_name)
     return json.dumps(result)
 
 
 def main():
     parser = argparse.ArgumentParser(description='Sky development server')
     parser.add_argument('-v', '--verbose', action='store_true',
         help='Enable logging to the console.')
     parser.add_argument('app_path', type=str)
     parser.add_argument('port', type=int)
+    configuration.add_arguments(parser)
     args = parser.parse_args()
 
     log_dir = os.path.abspath(os.getcwd())
 
+    paths = Paths(os.path.join('out', args.configuration))
+
     config = {
         'global': {
             'server.socket_port': args.port,
             'tools.staticdir.content_types' : {
                 'sky': 'text/sky',
             },
             'log.screen': args.verbose,
             'log.access_log': os.path.join(log_dir, 'access_log.txt'),
             # This causes some strange python exception??
             # 'log.error_log': os.path.join(log_dir, 'error_log.txt'),
         },
         '/': {
             'tools.staticdir.on': True,
             'tools.staticdir.dir': os.path.abspath(args.app_path),
             'tools.staticdir.indexlister': skydir,
         },
         '/mojo/public': {
             'tools.staticdir.on': True,
-            'tools.staticdir.dir': os.path.join(paths.GEN_ROOT, 'mojo', 'public'),
+            'tools.staticdir.dir': os.path.join(paths.gen_root, 'mojo', 'public'),
         },
         '/mojo/services': {
             'tools.staticdir.on': True,
-            'tools.staticdir.dir': os.path.join(paths.GEN_ROOT, 'mojo', 'services'),
+            'tools.staticdir.dir': os.path.join(paths.gen_root, 'mojo', 'services'),
         },
         '/sky/services': {
             'tools.staticdir.on': True,
-            'tools.staticdir.dir': os.path.join(paths.GEN_ROOT, 'sky', 'services'),
+            'tools.staticdir.dir': os.path.join(paths.gen_root, 'sky', 'services'),
         },
      }
     cherrypy.quickstart(config=config)
 
 
 if __name__ == '__main__':
     main()