- Places supervisor/daemon/worker under the new Cron class

- Updates endpoints
- Integrates queue worker with MailPoet mailer
- Fixes script activation check logic

webpack.config.js

@@ -103,7 +103,7 @@ config.push(_.extend({}, baseConfig, {
       'subscribers/importExport/import.js',
       'subscribers/importExport/export.js',
       'helpscout',
-      'queue.jsx'
+      'cron.jsx'
     ],
     form_editor: [
       'form_editor/form_editor.js',