HTTP GM results viewer: server now returns category summaries along with testData

gm/rebaseline_server/server.py

 #!/usr/bin/python
 
 '''
 Copyright 2013 Google Inc.
 
 Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
 '''
 
 '''
@@ skipping 196 matching lines @@
   parser.add_argument('--expectations-dir',
                     help=('Directory under which to find GM expectations; '
                           'defaults to %(default)s'),
                     default=DEFAULT_EXPECTATIONS_DIR)
   parser.add_argument('--export', action='store_true',
                       help=('Instead of only allowing access from HTTP clients '
                             'on localhost, allow HTTP clients on other hosts '
                             'to access this server.  WARNING: doing so will '
                             'allow users on other hosts to modify your '
                             'GM expectations!'))
-  parser.add_argument('--port',
-                    help=('Which TCP port to listen on for HTTP requests; '
-                          'defaults to %(default)s'),
-                    default=DEFAULT_PORT)
+  parser.add_argument('--port', type=int,
+                      help=('Which TCP port to listen on for HTTP requests; '
+                            'defaults to %(default)s'),
+                      default=DEFAULT_PORT)
   args = parser.parse_args()
   global _SERVER
   _SERVER = Server(expectations_dir=args.expectations_dir,
                    port=args.port, export=args.export)
   _SERVER.run()
 
 if __name__ == '__main__':
   main()