[horde] Override userid from login screen

[Luis Felipe Marzagao]

Some examples:

http://wiki.horde.org/CustomizingPreferences

Til Obes escreveu:
> Am 06.04.2010 09:32, schrieb Jan Schneider:
>> Use want to use either IMP's vlogin hook, or Horde's username hooks.
>
> Hm well, where is the documentation about the hooks?
> Can you give me a link?
>
> Regards Til
>