[kronolith] updates and invitations

[Chuck Hagenbuch]

Quoting Edwin Culp <eculp at viviendaatualcance.com.mx>:

> Check box on the edit event page, but I do see an error when
> I open the " event-invitation.ics" attachment  that tells
> me that "The calendar data is invalid"

This *should* be fixed now. Please provide specifics if you still have 
problems.

-chuck

--
"Regard my poor demoralized mule!" - Juan Valdez