Landing: Improve redirect behavior

landing.js

@@ -143,7 +143,11 @@
       application_id: "cribjs"
     })
       .push(function () {
+        if (data.redirect_url) {
           document.location = data.redirect_url;
+        } else {
+          document.location.reload();
+        }
       })
       .push(console.log, console.log);
   }
@@ -160,7 +164,6 @@
           to_path: site,
           zip_url: "https://lab.nexedi.com/cedric.leninivin/cribjs-editor/" +
             "-/archive/master/cribjs-editor-master.zip",
-          redirect_url: site
         };
       if (params.hasOwnProperty("from_path")) {
         data.from_path = params.from_path;