Merge pull request #156 from shirish87/fix_exit

Fix runner worker reuse issue

Author: nakula

lib/server.js

@@ -183,7 +183,9 @@ exports.Server = function Server(bsClient, workers) {
       });
 
     } else {
-      bsClient.terminateWorker(worker.id, callback);
+      bsClient.terminateWorker(worker.id, function () {
+        callback(false);
+      });
     }
   }