Explicitly load the customer address from the database for new customers

default_billing and default_shipping are alread filled for a newly saved customer,
but the address is not yet loaded in the customer object's addresses collection.
The address needs to be loaded explicitly from the database to be able to use
it in the activation email.

app/code/community/Netzarbeiter/CustomerActivation/Helper/Data.php

@@ -129,8 +129,8 @@ protected function _sendNotificationEmail($to, $customer, $templateConfigPath, $
                     $recipient['name'],
                     array(
                         'customer' => $customer,
-                        'shipping' => $customer->getPrimaryShippingAddress(),
-                        'billing' => $customer->getPrimaryBillingAddress(),
+                        'shipping' => $customer->getAddressById($customer->getDefaultShipping()),
+                        'billing' => $customer->getAddressById($customer->getDefaultBilling()),
                         'store' => Mage::app()->getStore(
                             // In case of admin store emails, $storeId is set to 0.
                             // We want 'store' to always be set to the customers store.