Fix: Param must be a regex string

Conflicts:
	htdocs/core/class/html.formfile.class.php
Fix: Do not load class like it should
Fix: Pb with predefined invoices
Fix: Found a dozen of bugs into sub module delivery of module shipment.

Conflicts:
	htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
	htdocs/expedition/class/expedition.class.php
	htdocs/expedition/fiche.php
Merge branch '3.4' into 3.4_agefodd