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

htdocs/commande/class/commande.class.php

htdocs/compta/facture.php

htdocs/compta/facture/class/facture.class.php

htdocs/core/db/DoliDB.class.php

htdocs/core/db/mssql.class.php

htdocs/core/db/mysql.class.php

htdocs/core/db/mysqli.class.php

htdocs/core/db/pgsql.class.php

htdocs/core/db/sqlite.class.php

htdocs/expedition/class/expedition.class.php

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

htdocs/fourn/class/fournisseur.facture.class.php

htdocs/install/etape4.php

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

htdocs/langs/en_US/bills.lang

htdocs/langs/fr_FR/bills.lang

htdocs/langs/fr_FR/dict.lang

htdocs/product/stock/class/mouvementstock.class.php

htdocs/product/stock/mouvement.php