JK-29 Mailgun Implementasyonu
  - added send_message function
  - added get_unsubscribes function
  - added unsubscribe function
JK-30 Kullanıcı Üyelik Onaylama
  - added confirm_user function
  - change user's sign-up information in new_member function
 new migration fix
 -added migration for order model
 -new translateds added