update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/CoreUpdater/Tasks.php

@@ -0,0 +1,25 @@
+<?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\CoreUpdater;
+
+class Tasks extends \Piwik\Plugin\Tasks
+{
+    public function schedule()
+    {
+        $this->daily('sendNotificationIfUpdateAvailable', null, self::LOWEST_PRIORITY);
+    }
+
+    public function sendNotificationIfUpdateAvailable()
+    {
+        $coreUpdateCommunication = new UpdateCommunication();
+        if ($coreUpdateCommunication->isEnabled()) {
+            $coreUpdateCommunication->sendNotificationIfUpdateAvailable();
+        }
+    }
+}