FIX "!" is missing on test : empty($object->date_livraison)

FIX PgSQL

Fixes local taxes repports by rate

expense report.

FIX : we have to check if contact doesn't already exist on add_contact

Bad path for document file 

Better fix for future

Fix return method

Conflicts:
	htdocs/compta/facture/list.php
	htdocs/holiday/card.php

Conflicts:
	htdocs/compta/facture/list.php

FIX status were wrong on product for invoice referent list

FIX 7109 - class name already exist for customer payment

FIX edit sociale was emptying label

fix class error (given by eclipse Oxygen version)

FIX holidays postgresql search