Vendor update

Author: eileenmcnaughton

composer.json

@@ -14,7 +14,7 @@
         },
         {
             "type": "git",
-            "url":  "https://github.com/KarinG/paypalstandard.git"
+            "url":  "https://github.com/eileenmcnaughton/paypalstandard.git"
         },
         {
             "type": "git",

composer.lock

@@ -91,8 +91,8 @@ public function getRequiredCardFields()
     public function getURLData()
     {
         $data = array();
-        $data['notify_url'] = urlencode($this->getNotifyUrl());
-        $data['return'] = $this->getReturnUrl();
+        $data['ipn_notification_url'] = urlencode($this->getNotifyUrl());
+        $data['return_url'] = $this->getReturnUrl();
         $data['cancel_return'] = $this->getCancelUrl();
         return $data;
     }