reverse order

pass/app/PaymentReference.js

@@ -209,6 +209,7 @@ class PaymentReference {
     let payment_references = [];
     return PaymentReferences()
       .where("key", key.get_key())
+      .orderBy("created_at", "desc")
       .then(references => {
         for (let i = 0; i < references.length; i++) {
           payment_references.push(new PaymentReference(references[i]));