[kronolith] Patches for kronolith

[Chuck Hagenbuch]

Quoting Jason Rust <jrust at rustyparts.com>:

> Below are two patches for kronolith.  This first one fixes a bug whereby
> if the default_share is set to something other than the personal
> calendar (i.e. group calendar) and is locked the hidden input for the
> calendar was still the user's calendar instead of the default_share:

Committed, thanks.

> The below patch tightens up security on adding and editing events so
> that those without permissions cannot add or edit events by manually
> typing in addevent/editevent.php into the url:

This one didn't apply cleanly, and there seemed to be a few things missing.
Take a look at what I committed.

-chuck

--
Charles Hagenbuch, <chuck at horde.org>
The alligators were there, too, in a bathtub inside the house.