[turba] Import Addresses from Korganizer

[Stefan Stolz]

Zitat von Michael Rubinsky <mike at theupstairsroom.com>:

> Turba_Driver::toHash() performs the translation from vCard to turba
> fields. BDAY is mapped to 'birthday', NOTE is mapped to 'notes'. Other
> supported vCard fields  can be determined by browsing this method.

An important field which is missing for me in Turba_Driver::toHash()  
is "role". Can you add it in general to this file and tell me until  
update how i can add it?

Thanks
Stolzi