update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/Live/Reports/GetLastVisits.php

@@ -0,0 +1,22 @@
+<?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\Live\Reports;
+
+
+class GetLastVisits extends Base
+{
+    // this class only exists to disable the default sort column
+    protected $defaultSortColumn = '';
+
+    public function buildReportMetadata()
+    {
+        // do not add this report as metadata
+    }
+
+}