Make refactoring of DataBaseEstablishmentRepository, rewrote insert and
update methods. Update all usual statement to prepearedStatement for
best performance. Make refactoring of methods in DataBaseUserRepository.
Clear useless methods from entity classes. Update registration.jsp add
verification. Delet Time class, from now we add timeClose and timeOpen
like a string (example: 22:00). Add new method to SqlHelper, that return
sql Date. From now id for our establishments we will get from database,
it will make work with object and DB much easier.