Fixed bug where rando 401 causes signin redirect

app/assets/javascripts/panel.js

@@ -1,6 +1,6 @@
 //when signed out, or session expires forward to sign in page
 Ext.Ajax.on('requestexception', function(conn, response, options) {
-  if (response.status === 401) { window.location = '/users/sign_in'; }
+  if (response.status === 401 && response.statusText === "Unauthorized") { window.location = '/users/sign_in'; }
 }, this);
 
 //Override default netzke time entry field