User client overhaul
- Overhaul Free/Busy UI
- Better support for managing and inviting groups
- Support schedule-able resources (e.g. bookable rooms).
- Better integration of external iCal/CalDAV feeds (ie. Google calendar)
- Freshen up the personal client (look, feel, and behavior all).
Targets for 4.0
Administration and installation
A focus on easing administration of the calendar system, packaging, and installation
Consider moving to Maven for build management.
Implement tickets and url creation giving ticket holders access to a users freebusy or other information on presentation of a ticket.