update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/CoreHome/Columns/VisitFirstActionTime.php

@@ -0,0 +1,33 @@
+<?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\CoreHome\Columns;
+
+use Piwik\Date;
+use Piwik\Plugin\Dimension\VisitDimension;
+use Piwik\Tracker\Action;
+use Piwik\Tracker\Request;
+use Piwik\Tracker;
+use Piwik\Tracker\Visitor;
+
+class VisitFirstActionTime extends VisitDimension
+{
+    protected $columnName = 'visit_first_action_time';
+    protected $columnType = 'DATETIME NOT NULL';
+
+    /**
+     * @param Request $request
+     * @param Visitor $visitor
+     * @param Action|null $action
+     * @return mixed
+     */
+    public function onNewVisit(Request $request, Visitor $visitor, $action)
+    {
+        return Date::getDatetimeFromTimestamp($request->getCurrentTimestamp());
+    }
+}