[IMP] check upgrade cron status

[IMP] add a timeout for auto migration

[IMP] auto update cron

[FIX] reset configuration info on upload file

[IMP] add auto-migration test

[IMP] button to do migration automatically

[FIX] button draft

[REF] new logic to manage disabling cron and mail servers

[IMP] refactoring disabling cron and mail servers

[FIX] view button space

[FIX] translate

[FIX] better button to refresh migration state logic

[FIX] translation

[FIX] reverse check migrated state

[FIX] restore after migration stuff