[dev] Restructuring the Kolab module

[Chuck Hagenbuch]

Quoting "Gunnar Wrobel" <wrobel at pardus.de>:

> BC won't be affected. I made certain all the horde apps still work
> with the newer structure. I did not touch any of the Kolab drivers in
> the apps.
>
> Of course I marked some things as deprecated again so I'm definitely
> waiting for Horde4 - :) - but in the meantime everything is supposed
> to work as before.
>
> The main problem really is all the cross-referencing stuff in the
> Kolab share driver. But that can be solved by shifting IMAP specific
> code from the share driver into the Kolab module and adding a few new
> singletons. As this is a shift within the framework it does not affect
> BC if I understood you correctly.

Okay by me then.

-chuck