client: add missing output params to client-side commands
    
    Add output params for the otptoken-add-yubikey, vault-add, vault-mod,
    vault-archive and vault-retrieve commands.
    
    This fixes the commands not having any output in CLI.
    
    https://fedorahosted.org/freeipa/ticket/6182
    
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
    Reviewed-By: David Kupka <dkupka@redhat.com>