fix go back button

deployment/static/deployment/js/event_source.js

@@ -1,5 +1,4 @@
 var start = function (url) {
-
     var es = new ReconnectingEventSource(url);
 
     es.onopen = function () {
@@ -34,7 +33,7 @@ var start = function (url) {
             }
 
             if (message.status == "FAILED") {
-                    window.location.reload();
+                window.location.reload();
             }
         }
 

templates/deployment/details.html

@@ -45,7 +45,7 @@
 {% block script %}
 <script>
     function goBack() {
-        window.history.back();
+        window.location=document.referrer;
     }
 </script>
 {% endblock %}