Oleg Dovzhenko

According to [Eway Rapid documentation](https://eway.io/api-v3/#authentication), they have API key and password for authentication. ``` 4926 tests, 74320 assertions, 0 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications 100% passed...

According to foreman models: ``` validates :mail, :email => true, :allow_blank => true validates :mail, :presence => true, :on => :update, :if => Proc.new { |u| !AuthSourceHidden.where(:id => u.auth_source_id).any? &&...