[sync] HordeSync with SonyEricsson W800i and Thunderbird remote calendar

[Karsten Fourmont]

Quoting Jan Schneider <jan at horde.org>:

> Rewrite the _kronolith_put() function to not delete the complete  
> calendar before re-importing the data from the client. See also  
> http://bugs.horde.org/ticket/?id=3032.

I'll do that.

Cheers,
  Karsten