many changes
Merge branch 'master' of https://github.com/asraful/projectX

Conflicts:
	authentication-authorization-service/authentication-authorization-service.iml
	event-service/event-service.iml
	human-resource-service/human-resource-service.iml
	student-information-service/src/main/java/org/projectx/studentinformationservice/domain/Student.java
	student-information-service/student-information-service.iml
sis module domain class refactored