Validation message translation

See merge request !1001
5 jobs for fix/change_password_policy_unicodeerror
Status Job ID Name Coverage
  External
failed ERP5.UnitTest-Master

01:38:15

failed ERP5.UnitTest-Master.Medusa

passed SlapOS.Eggs.UnitTest-Master.Python2

00:20:31

passed SlapOS.Eggs.UnitTest-Master.Python3

00:25:23

failed ERP5.UnitTest-Master