Some scripts which may be useful for other developers.
Update /config.php with your database configuration.
/prestashop/copylanguage.php
This script copy product information from a language to another: so, if you're in french, you will have english name, description etc... in products.
/prestashop/updatelanguages.php
This script load CSV files with product informations to insert in database.
How to: Insert your .csv files in /prestashop/csv/ directory and update $files in updatelanguages.php