Added hasFilter fields and getters/setters to Category class
Includes
-hasFIlter boolean
-get/set for hasFilter
Added TODO flags for filter by category function for DayViewTable abd WeekViewTable UpdateEvent functions
//Merge branch 'dev' of https://github.com/tomorrow-nf/wpi-suite-team5 into dev
Merge branch 'dev' of https://github.com/tomorrow-nf/wpi-suite-team5 into dev