Fix : Delivery date was displayed twice

Remove debug infos into agenda index

Add : Stock can be mandatory to use a product

Add option to set value of credit note by invoice remaining to pay

Update user.class.php

String translated twice

Add feature : import line from origin invoice in the new credit note

correction 	Magazin -> Magasin

Dolidb factorization

Task 1074 : add link to source document on stock movement

Missing text attribute on input tag