made all.js and all.css and all guests share same session
diff --git a/erpnext/startup/startup.css b/erpnext/startup/startup.css
index 4f66519..6e368ac 100644
--- a/erpnext/startup/startup.css
+++ b/erpnext/startup/startup.css
@@ -27,7 +27,7 @@
 }
 
 .module-icons {
-   background: url(images/module-icons.png) no-repeat top left;
+   background: url(../images/module-icons.png) no-repeat top left;
    width:16px;
    height:16px;
 }