Remove column name translation
	modifié:         core/lib/Thelia/ImportExport/Export/Type/MailingExport.php
Fix SQL escape method
	modifié:         core/lib/Thelia/ImportExport/Export/Type/ProductPricesExport.php
Refactor i18n export methods
	modifié:         core/lib/Thelia/ImportExport/Export/ExportHandler.php
	modifié:         core/lib/Thelia/ImportExport/Export/Type/MailingExport.php
	modifié:         core/lib/Thelia/ImportExport/Export/Type/ProductPricesExport.php
	nouveau fichier: core/lib/Thelia/ImportExport/Export/Type/ProductSEOExport.php