Add FrontController::init() to misc/cron/archive.php since it's needed there &...

Add FrontController::init() to misc/cron/archive.php since it's needed there & add TODO for deprecating misc/cron/archive.php.

misc/cron/archive.php

@@ -9,6 +9,9 @@
  * @package Piwik
  */
 
+// TODO: this file should be moved to an API method that is only accessible to the super user.
+//       then we can finally deprecate this file.
+
 use Monolog\Handler\StreamHandler;
 use Monolog\Logger;
 use Piwik\Container\StaticContainer;
@@ -82,6 +85,8 @@ if (isset($_SERVER['argv']) && Piwik\Console::isSupported()) {
         $logger->pushHandler($handler);
     }
 
+    \Piwik\FrontController::getInstance()->init();
+
     $archiver = new Piwik\CronArchive();
 
     if (!Piwik\Common::isPhpCliMode()) {