Removed unused files
Added some basic controller code
Rationalized Roles and RoleImpls
Added ability to uypdate and delete Participants
Added a CoachTableController
Added some more menu entries.
Changed over to a tabbed Pane.
Wired CoachesTab and CoachTableController.java in together
Added HeadCoachTableController, HeadCoachesTab
Added ProductionTab, ProductionTableController
Configured the app to go full screen at start up.
Added Attendance, AttendanceCommunication, AttendanceResult
Added Promise and StockAgreements
Added StockHappening, Happening, AbstractHappening as a foundation of
the Proghram Calendar