Feature #3377 : adding "Responsible(s) of space" and "Responsible(s) of application"

- upgrading SpaceResource and ComponentResource WEB-Services to provide the related roles with respective users and groups
- adding common menu (on space or component) to access the list of responsibles of space or component
- adding new portlet to display space responsibles
- adding new criteria on user profile WEB Services (user access level)
- refactoring some code