Update phonebook

1. Make backup the following files:
   • app/Config/config.php;
   • app/Config/core.php;
   • app/Config/database.php;
   • app/Config/cakeldap.php (if changed).
2. Install new phonebook using composer: composer create-project anklimsk/internal-ldap-based-phonebook /path/to/phonebook --stability beta.
3. Restore from backup files to path /path/to/phonebook/app/Config.
4. Navigate to the directory app application (/path/to/phonebook/app), and run the following command: sudo ./Console/cake CakeInstaller install for re-install phonebook.