update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/API/Renderer/Tsv.php

@@ -0,0 +1,24 @@
+<?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\API\Renderer;
+
+use Piwik\Common;
+use Piwik\DataTable\Renderer;
+use Piwik\DataTable;
+
+class Tsv extends Csv
+{
+
+    public function renderSuccess($message)
+    {
+        Common::sendHeader("Content-Disposition: attachment; filename=piwik-report-export.csv");
+        return "message\t" . $message;
+    }
+
+}