Todo list ...

- ShowEventTeam
 . fix baton tracking  (mostly done)

- Flight Tracking
 . automatically update event states, recreate maps (mostly done)

- ShowFlight
 . set noindex for private events
 . don't link to events page for private events

- FlightList

 . hide private events
 . grab team / event names
 . fix cross linking of team / event

- Event admins:
 . allow admins to add / remove more admins
 . allow editing of event settings
 . URL parameters: username, teamname, eventname, ispublic, type=auto; return eventhash
 . no parameters: show form, type=form; redirect to EventEdit.php
   . eventkey, eventhash fix
   . EventName
   . Description
   . StartDateTimeUtc
   . Homepage
   . LogoUrlBig / LogoUrlSmall
   . IsPublic
   . IsActive

- team admin
 . ?? (probably not needed)

- user admin
 . reset password
 . register

later:
- replay flights