[kronolith] hide calendars

[Chuck Hagenbuch]

Quoting Jan Schneider <jan@horde.org>:

> Is it the intended behaviour that I can't hide/deselect all calendars? If
> my personal calendar it the only one selected to be shown, I can't 
> deselect it. If I deselect another calendar, being the only one shown, my 
> personal calendar is shown instead.

This is how it's currently done, yeah. Feel free to change it.

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"People ask me all the time what it will be like living without otters."
 - Google, thanks to Harpers