improve message after registration

materio_user.pages.inc

@@ -21,12 +21,19 @@ function materio_user_register_submit(){
   $form_state = array( "values"=>$_POST);
   drupal_form_submit($_POST['form_id'], $form_state);
 
-  $return['form_state'] = $form_state;
+  // $return['form_state'] = $form_state;
 
   $return['errors'] = form_get_errors();
-  if($return['errors'])
+  if($return['errors']){
     unset ($_SESSION['messages']['error']);
-
+  }else{
+    $messages = drupal_get_messages('status');
+    // $return['messages'] = $messages; 
+    drupal_set_message(t("Congratulation, you juste created your free materiO' account, welcome !"), 'status');
+    foreach ($messages['status'] as $msg) {
+      drupal_set_message($msg, 'status');
+    }
+  }
   // after registration user is automaticly logged in, thank's to login tobogan module
   
   drupal_json_output($return);