Timetable Managers 	- fixed NullPointerException thrown while adding a new manager
Timetable Managers
	- fixed NullPointerException thrown while adding a new manager

nikeshmhr/unitime,sktoo/timetabling-system-,zuzanamullerova/unitime,maciej-zygmunt/unitime,zuzanamullerova/unitime,rafati/unitime,nikeshmhr/unitime,UniTime/unitime,UniTime/unitime,maciej-zygmunt/unitime,rafati/unitime,rafati/unitime,nikeshmhr/unitime,sktoo/timetabling-system-,maciej-zygmunt/unitime,zuzanamullerova/unitime,UniTime/unitime,sktoo/timetabling-system-