21.10.2014 Radchuk Sergey Staff, StaffDAO, StaffDAOImpl, StaffDAOImplTest created and checked
Merge remote-tracking branch 'origin/master'

Conflicts:
	douge/src/main/java/lv/javaguru/java2/database/jdbc/StaffDAOImpl.java
	douge/src/main/java/lv/javaguru/java2/domain/Staff.java
	douge/src/test/java/lv/javaguru/java2/database/jdbc/DatabaseCleaner.java
	douge/src/test/java/lv/javaguru/java2/database/jdbc/StaffDAOImplTest.java