removed CategoryEntityManager from ManagerLayer for now
Revert "removed CategoryEntityManager from ManagerLayer for now"

This reverts commit 93e1247b7b252ae28481c85a698545fbcc88234f.
yearview shows events
able to flag days with events in year view
Added Method called getEvent to return event object
Merge branch 'dev' into feature/DatePicker
Added getdate function to datepcikerpanel that returns first date of selection - temporary fix until event is modified