TODOS:

- Protect events in past from editing if configured.
- Code a client for shared external RC calendars.
- fullCalendar jquery plugin:
  - ticket http://code.google.com/p/fullcalendar/issues/detail?id=753
    -> review readyState callback
  - ticket http://code.google.com/p/fullcalendar/issues/detail?id=775
    -> recode upcoming events
- Replace ical parser by http://www.kigkonsult.se/iCalcreator/
- Finally search all files for comment 'find me' do requested task mentionend in the comment