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.

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

credit notes, doesn't give error message

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

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

once link has been done.

Conflicts:
	htdocs/core/lib/security.lib.php
	htdocs/product/fiche.php
	htdocs/product/liste.php