Merge branch '3.6' of git@github.com:Dolibarr/dolibarr.git into 3.6

ChangeLog

htdocs/core/menus/standard/eldy.lib.php

htdocs/core/tpl/document_actions_pre_headers.tpl.php

htdocs/fourn/class/fournisseur.commande.class.php

htdocs/install/mysql/migration/3.5.0-3.6.0.sql

htdocs/install/mysql/tables/llx_c_type_resource.key.sql

htdocs/install/mysql/tables/llx_c_type_resource.sql

htdocs/langs/en_US/products.lang

htdocs/product/class/product.class.php

htdocs/product/document.php