New user creation is broken

Created by: raphendyr

Currenlty using ldap backend, but after everything else is ok user creation fails with:

(ldap) Authentication failure! ldap_error: NoMethodError, undefined methoddescription' for #Namespace:0x00000004b80188`

I ques this comes from https://github.com/gitlabhq/gitlabhq/blob/master/app/observers/user_observer.rb#L17

Which in turns creates new app/model/namespace.rbobject.

I ques this was broken by https://github.com/gitlabhq/gitlabhq/commit/9f45e01e#L3R7

This is strange as I would think that tests would have been broken too.