Fix : product list was wrong on supplier invoice because fourn_id is not fetched

Fixes on extrafields, product supplier prices and user / company association deletion

Update makepack-dolibarr.pl : indentation

No thirdparty name in contract list

Update server_invoice.php

Conflicts:
	htdocs/product/fiche.php
	htdocs/user/class/user.class.php

So introduce new method to return same with no risk to break current
working code to address this.

Create Facture with mode_reglement and cond_reglement using thirdparty information.

priority when not template defined).
Fix: use first odt file when no odt file defined.
Fix: Must use output translation.

Conflicts:
	htdocs/core/lib/company.lib.php

credit notes, doesn't give error message

Conflicts:
	htdocs/core/tpl/objectline_create.tpl.php

EMail use now language of target contact.
Can also define a fixed email for notifications.
Better error management