Add Marketplace Settings as ConfigurationFlag

Change-Id: I77dbd535a0c1de48a0afa3c2b27e2eda45ccaac5
diff --git a/lib/Kalamar/Plugin/Auth.pm b/lib/Kalamar/Plugin/Auth.pm
index ad3d4e4..9d65b5b 100644
--- a/lib/Kalamar/Plugin/Auth.pm
+++ b/lib/Kalamar/Plugin/Auth.pm
@@ -976,9 +976,12 @@
     $app->loc('Auth_oauthSettings'), 'oauth'
   ));
 
-  #  $app->navi->add(settings => (
-  #    $app->loc('Auth_marketplace'), 'marketplace'
-  #  ));
+  # Get configuration for marketplace settings
+  if ($param->{marketplace}) {
+    $app->navi->add(settings => (
+    $app->loc('Auth_marketplace'), 'marketplace'
+   ));
+  }
 
 
   # Helper: Returns lists of registered plugins (of all users), which are permitted