[imp] sql table weirdness / pref_uid confusion

[Liam Hoekenga]

> If I log into IMP directly, no entry gets made in the SQL table.
> 
> My session went something like this...
> - log into imp directly (no table entry)
> - go to options, set my default language to something other than english
>   (still, no table entry)
> - go to options, choose "address book" 
> - get forced to log in to horde
> - and set up a local SQL address book
> - get force to log in to IMP again
> - check options
>  - language isn't set to what i left it at
>  - new changes seem to be in the table

Actually.. I've just saw it do something as undesirable... it did update the 
SQL table.. but with a fresh copy of horde_prefs:liamr:horde:identity
(I went from having a default identy with my full name set, to a default 
identity w/ no name set).

Liam