Fixed User Bug.
User working
Fix
Merge remote-tracking branch 'origin/master' into users

Conflicts:
	jboss-book-persistence/src/main/java/cz/muni/fi/jboss/book/persistence/dao/UserDAOImpl.java
	jboss-book-persistence/src/main/java/cz/muni/fi/jboss/book/persistence/entity/User.java