rebaseline_server: make intermediate JSON specify base urls for diff images

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.
 
 HTTP server for our HTML rebaseline viewer.
 """
@@ skipping 312 matching lines @@
     # the handler's .server instance variable.
     results_obj = _SERVER.results
     if results_obj:
       response_dict = results_obj.get_packaged_results_of_type(
           results_type=results_type, reload_seconds=_SERVER.reload_seconds,
           is_editable=_SERVER.is_editable, is_exported=_SERVER.is_exported)
     else:
       now = int(time.time())
       response_dict = {
           results_mod.KEY__HEADER: {
+              results_mod.KEY__HEADER__SCHEMA_VERSION: (
+                  results_mod.REBASELINE_SERVER_SCHEMA_VERSION_NUMBER),
               results_mod.KEY__HEADER__IS_STILL_LOADING: True,
               results_mod.KEY__HEADER__TIME_UPDATED: now,
               results_mod.KEY__HEADER__TIME_NEXT_UPDATE_AVAILABLE: (
                   now + RELOAD_INTERVAL_UNTIL_READY),
           },
       }
     self.send_json_dict(response_dict)
 
   def do_GET_static(self, path):
     """ Handle a GET request for a file under the 'static' directory.
@@ skipping 184 matching lines @@
   _SERVER = Server(actuals_dir=args.actuals_dir,
                    actuals_repo_revision=args.actuals_revision,
                    actuals_repo_url=args.actuals_repo,
                    port=args.port, export=args.export, editable=args.editable,
                    reload_seconds=args.reload)
   _SERVER.run()
 
 
 if __name__ == '__main__':
   main()