update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/Installation/FormDefaultSettings.php

@@ -0,0 +1,23 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+namespace Piwik\Plugins\Installation;
+
+use Piwik\QuickForm2;
+
+class FormDefaultSettings extends QuickForm2
+{
+    public function __construct($id = 'defaultsettingsform', $method = 'post', $attributes = null, $trackSubmit = false)
+    {
+        parent::__construct($id, $method, $attributes, $trackSubmit);
+    }
+
+    public function init()
+    {
+    }
+}