diff --git a/openstack_catalog/web/static/blank.json b/openstack_catalog/web/static/blank.json
new file mode 100644
index 0000000..e69de29
diff --git a/tools/testserver.py b/tools/testserver.py
index a979a3f..b511f90 100644
--- a/tools/testserver.py
+++ b/tools/testserver.py
@@ -18,10 +18,22 @@ import SocketServer
 
 
 class AllowOriginRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
+    def do_GET(self):
+        print("App Catalog Versions:",
+              self.headers.get('X-App-Catalog-Versions', ''))
+        return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
+
     def end_headers(self):
         self.send_header("Access-Control-Allow-Origin", "*")
         SimpleHTTPServer.SimpleHTTPRequestHandler.end_headers(self)
 
+    def do_OPTIONS(self):
+        self.send_response(200)
+        self.send_header("Access-Control-Allow-Origin", "*")
+        self.send_header("Access-Control-Allow-Headers",
+                         "X-App-Catalog-Versions")
+        self.send_header("Allow", "GET")
+
 if __name__ == '__main__':
     PORT = 18001
     httpd = SocketServer.TCPServer(("", PORT), AllowOriginRequestHandler)