Fix: missing translation
WARNING : use en_US for add or delete translation key
Fix: update all languages from transifex
Fix: wrong test
Fix: remove debug
Fix: uniformize code
Fix: best test and clean code
Fix: wrong path
FIXME: no record method in fetch method
Fix: avoid errors
FIXME use an ajax response file for avoid reload all classes and
increase performance
Fix: change for a professional email
Update module Propal with editinplace actions.
Updating module Commande with editinplace action.
Updating module Facture with editinplace actions.
Updating deleteinplace action for module Propal, Commande and Facture.
Updating pdf generation for module Propal, Commande and Facture.
Upating creation of a command from a propal and creation of a facture from a commande.
Updating payments display in module Facture.
Fixing bug in add product line for modules Propal, Commande and Facture.
Updating avoir generation for module Facture.