POULPE-448 Fixed
	modified:   poulpe-model/src/main/java/org/jtalks/poulpe/model/dao/UserDao.java
	modified:   poulpe-model/src/main/java/org/jtalks/poulpe/model/dao/hibernate/UserHibernateDao.java
	renamed:    poulpe-model/src/main/java/org/jtalks/poulpe/model/sorting/UserSortingRequest.java -> poulpe-model/src/main/java/org/jtalks/poulpe/model/sorting/UserSearchRequest.java
	modified:   poulpe-model/src/test/java/org/jtalks/poulpe/model/dao/hibernate/UserHibernateDaoTest.java
	modified:   poulpe-service/src/main/java/org/jtalks/poulpe/service/UserService.java
	modified:   poulpe-service/src/main/java/org/jtalks/poulpe/service/transactional/TransactionalUserService.java
	modified:   poulpe-service/src/test/java/org/jtalks/poulpe/service/transactional/TransactionalUserServiceTest.java
	modified:   poulpe-view/poulpe-web-controller/src/main/java/org/jtalks/poulpe/web/controller/users/UsersVm.java
	modified:   poulpe-view/poulpe-web-controller/src/test/java/org/jtalks/poulpe/web/controller/users/UsersVmTest.java
POULPE-448 Fixed