Total now reads mortgage sample from server

samples/total/src/TotalRunner.dart

 #!/usr/bin/env dart
 // Copyright (c) 2011, the Dart 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 file.
 
 #library("total:runner");
 
 typedef void ExitCallback(int status, String exitString);
 
 void main() {
   String SERVER_EXEC_PATH = './TotalServer.dart';
   String RESTART = "GRACEFUL RESTART!!";
   String EXIT = "GRACEFUL EXIT!!";
 
   void keepServerRunning(int status, ServerRunner runner) {
     switch (runner.lastExitString) {
       case RESTART:
+        runner.lastExitString = '';
         runner.run(keepServerRunning);
         break;
       case EXIT:
         break;
       default:
         print("ERROR: exiting due to unknown condition. Exit status: $status."
               + " Exit string: '${runner.lastExitString}'");
         break;
     }
   }
@@ skipping 60 matching lines @@
         if (line.contains(e, 0)) {
           lastExitString = e;
           return true;
         } else {
           return false;
         }
       });
   }
 
 }