Merge branch 'develop' of git@github.com:Dolibarr/dolibarr.git into develop

htdocs/admin/stock.php

htdocs/compta/paiement.php

htdocs/install/mysql/migration/4.0.0-5.0.0.sql

htdocs/install/mysql/tables/llx_product_stock_entrepot.sql

htdocs/langs/en_US/stocks.lang

htdocs/product/class/product.class.php

htdocs/product/stock/class/entrepot.class.php

htdocs/product/stock/class/productstockentrepot.class.php

htdocs/product/stock/product.php

htdocs/product/stock/replenish.php