- use Setting::getValue for getDaemon method
- added "updated_at" property within cron_daemon value (instead of using the setting's column)
- converted line endings to Unix in notice.js and removed console.log
- Refactors SendingQueue worker class
- Adds Maier router with a send() method + ability to specify sending method
- Updates tests
- Introduces 'stopping' and 'starting' cron states
- Improves cron control mechanism
Closes#276