[+] BO: Set for each order status if invoice / delivery-slip should be added to email as pdf
Merge branch '1.6-AttachPdf' of ssh://github.com/PhpMadman/PrestaShop into PhpMadman-1.6-AttachPdf

Conflicts:
	install-dev/upgrade/sql/1.6.0.11.sql
Merge branch 'PhpMadman-1.6-AttachPdf' into 1.6
Merge branch '1.6' of ssh://github.com/PrestaShop/PrestaShop into 1.6