update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/Provider/Visitor.php

@@ -0,0 +1,41 @@
+<?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\Provider;
+
+use Piwik\Piwik;
+
+require_once PIWIK_INCLUDE_PATH . '/plugins/Provider/functions.php';
+
+class Visitor
+{
+    private $details = array();
+
+    public function __construct($details)
+    {
+        $this->details = $details;
+    }
+
+    public function getProvider()
+    {
+        if (isset($this->details['location_provider'])) {
+            return $this->details['location_provider'];
+        }
+        return Piwik::translate('General_Unknown');
+    }
+
+    public function getProviderName()
+    {
+        return getPrettyProviderName($this->getProvider());
+    }
+
+    public function getProviderUrl()
+    {
+        return getHostnameUrl(@$this->details['location_provider']);
+    }
+}