Improving EvaluationService Implementation
	modified:   src/main/java/br/ufrn/dimap/pubnote/dao/ArticleDAO.java
	modified:   src/main/java/br/ufrn/dimap/pubnote/dao/DAO.java
	modified:   src/main/java/br/ufrn/dimap/pubnote/dao/EvaluationDAO.java
	modified:   src/main/java/br/ufrn/dimap/pubnote/dao/ProfileDAO.java
	modified:   src/main/java/br/ufrn/dimap/pubnote/dao/UserDAO.java
	modified:   src/main/java/br/ufrn/dimap/pubnote/ws/EvaluationService.java
	modified:   src/main/java/br/ufrn/dimap/pubnote/ws/UserService.java
	modified:   src/main/resources/hibernate.cfg.xml