built a static method
Merge branch 'master' of https://github.com/skim770/cs4400

Conflicts:
	bin/Panels/LoginPanel$EmployeeListener.class
	bin/Panels/LoginPanel$GuestListener.class
	bin/Panels/LoginPanel.class
	bin/main/DBManager.class
finished add event
Merge branch 'master' of https://github.com/skim770/cs4400

Conflicts:
	bin/Panels/MenuPanel$ButtonListener.class