hidden guest user

app/models/user/user.rb

@@ -34,6 +34,7 @@ class User
   before_save :rebuild_status_record
   before_save :save_roles
   scope :remote_account, where(:nccu_id.ne => nil)
+  scope :not_guest_user, all_of(:name.ne => "guest")
 
   # validates_uniqueness_of :email,:message=> I18n.t("devise.registrations.email_not_unique")