Porting Heimdal's libkafs to MIT Kerberos

[Ken Hornstein]

>On Mac OS X, we support a Login Logout Notification Plugin API to 
>modify the library behavior when tickets are acquired.  This API 
>exists because of the complete lack of pam on Mac OS 9 (where it was 
>first introduced) and the poor quality of pam support in early 
>versions of Mac OS X.

That's _very_ cool.  I shall definately check that out.  Thanks!

--Ken