[48794777] error msg list is not in order on add a user page

just re-order the validator registration

Signed-off-by: Henry Chen <hchen@vmware.com>
Merge branch 'master' of https://github.com/vmw-tmpst/heroapp-LetsHire into duplicate_email_error
Merge pull request #128 from Henry-CF/validator

[48794777] error msg list is not in order on add a user page