Merge pull request #15 from KettyLezama/master

Added State Diagram.
Added a diagram to help explain how the database works.
added bare bones of the event manager classes, and also added an updated furps document
Merge pull request #16 from jkuk/master

Manager classes and furps document
Merge pull request #17 from KettyLezama/master

Added partial implementation of classes Task, SubEvent, Event, ScheduleItem, TimeSchedule, and Committee!
Finished database accessor methods, working on finishing setter methods. Need to build test enviroment. -MM
user class and illegal character exception
Merge pull request #18 from daverboy23/master

hopefully this will work
Participant moved to BackEnd
Merge remote-tracking branch 'upstream/master'
Merge pull request #19 from daverboy23/master

Participant moved to backend
added sequence diagram
Merge pull request #20 from daverboy23/master

added sequence diagram
Changes to classes Event, SubEvent and Task.