File list (Check if you may need any files):
Open_Source_Point_of_Sale_2.2 Unofficial
........................................\README.txt
........................................\UPGRADE.txt
........................................\WHATS_NEW.txt
........................................\application
........................................\...........\.htaccess
........................................\...........\cache
........................................\...........\.....\.htaccess
........................................\...........\.....\index.html
........................................\...........\config
........................................\...........\......\autoload.php
........................................\...........\......\config.php
........................................\...........\......\constants.php
........................................\...........\......\database.php.tmpl
........................................\...........\......\doctypes.php
........................................\...........\......\foreign_chars.php
........................................\...........\......\hooks.php
........................................\...........\......\index.html
........................................\...........\......\migration.php
........................................\...........\......\mimes.php
........................................\...........\......\profiler.php
........................................\...........\......\routes.php
........................................\...........\......\smileys.php
........................................\...........\......\user_agents.php
........................................\...........\controllers
........................................\...........\...........\barcode.php
........................................\...........\...........\config.php
........................................\...........\...........\customers.php
........................................\...........\...........\employees.php
........................................\...........\...........\giftcards.php
........................................\...........\...........\home.php
........................................\...........\...........\index.html
........................................\...........\...........\interfaces
........................................\...........\...........\..........\idata_controller.php
........................................\...........\...........\..........\iperson_controller.php
........................................\...........\...........\item_kits.php
........................................\...........\...........\items.php
........................................\...........\...........\languagecheck.php
........................................\...........\...........\login.php
........................................\...........\...........\no_access.php
........................................\...........\...........\person_controller.php
........................................\...........\...........\receivings.php
........................................\...........\...........\reports.php
........................................\...........\...........\sales.php
........................................\...........\...........\secure_area.php
........................................\...........\...........\suppliers.php
........................................\...........\core
........................................\...........\....\index.html
........................................\...........\errors
........................................\...........\......\error_404.php
........................................\...........\......\error_db.php
........................................\...........\......\error_general.php
........................................\...........\......\error_php.php
........................................\...........\......\index.html
........................................\...........\helpers
........................................\...........\.......\currency_helper.php
........................................\......