[horde] Extending userList capabilities when using IMP authentication

[Thibault Le Meur]

>>
>> In fact I didn't understand that "administration purposes" in the 
>> composite page of the wiki not only refers to the administrator 
>> ability to define system-wide groups and permissions, but also to the 
>> end user ability to set permissions on his own shared objects.
>
> It would be great if you could tweak the wiki page to make this more 
> clear.
Okay, will do.
>
> Jan.
>