privileges check in User

	modified:   .classpath
	modified:   pom.xml
	modified:   src/main/java/org/komorebi/core/security/KomorebiSecurityContext.java
	modified:   src/main/java/org/komorebi/core/security/Privilege.java
	modified:   src/main/java/org/komorebi/core/security/User.java
Unit test for class User
	new file:   src/test/java/org/komorebi/core/security/UserTest.java