Take a look at description

Adding StaffUI, tidy Main alittle, make StaffManager a singleton i think
Merge branch 'master' of https://github.com/BestTeamSEA/oodp_project.git

Conflicts:
	RRPSS/src/RRPSS/Main.java
Merge branch 'master' of https://github.com/BestTeamSEA/oodp_project

Conflicts:
	RRPSS/src/RRPSS/Main.java