CRUD for Roles n Backend for Role Mapping
Merge branch 'sprint1' of https://github.com/kinmengBGM/bgm-hrm into
sprint1

Conflicts:
	leaveapp/web/src/main/resources/META-INF/persistence.xml
	leaveapp/web/src/main/webapp/WEB-INF/faces-config.xml
	leaveapp/web/src/main/webapp/WEB-INF/spring/spring-masterdata.xml
	leaveapp/web/src/main/webapp/templates/menu.xhtml