fixing flagging dates
Added Filter class and fixed some stuff with deleting
added a getter for filter categories
removed spooky copyright ghosts
Added the FilterModel class
Merge branch 'feature/yearviewevent' of github.com:CS3733Team1/wpi-suite into feature/yearviewevent
Merge remote-tracking branch 'origin/dev' into feature/yearviewevent
gave Filters names and utilized singleton CommitmentModel in AddCommitmentController
Merge branch 'dev' of https://github.com/CS3733Team1/wpi-suite into feature/yearviewevent
Merge branch 'feature/yearviewevent' of https://github.com/CS3733Team1/wpi-suite into feature/yearviewevent
Fixed Build
Merge branch 'feature/yearviewevent' of https://github.com/CS3733Team1/wpi-suite into feature/yearviewevent
filter controllers and observers
Merge branch 'feature/yearviewevent' of https://github.com/CS3733Team1/wpi-suite into feature/yearviewevent