1. Group entity (DAO, REST);
2. "Minor" refactoring;
Revert "added one rest service"

This reverts commit a4977cd75324cd04befc35da2e107906bb845a36.
Merge remote-tracking branch 'origin/master'

Conflicts:
	services/src/main/java/com/pm/test/j2ee/dao/UserDAO.java
	services/src/main/java/com/pm/test/j2ee/dao/impl/ClearGenericDaoImpl.java
	services/src/main/java/com/pm/test/j2ee/dao/impl/ClearUserDaoImpl.java
	services/src/main/java/com/pm/test/j2ee/dao/impl/MorphiaUserDaoImpl.java