Fix #5911 Added missing Slashes

fixed line where two slashes were missing, that caused an error when creating barcodes.

Fix total line on list facture

FIX : Agenda getCalendarEvents hook

FIX Corrected bug where product multiprices admin page would not render properly due to a PHP fatal error

Fix: Error when references are numeric

Corrected bug where product multiprices admin page would not render properly due to a PHP fatal error

Return of getCalendarEvents on agenda page :
The array_merge change key of merged array.

FIX : param billed when we change page

FIX : delete bank class lines when we delete bank_categ

Fix: Wrong vat calculation when split discounts

Fix : link to user in bank was wrong regarding expensereport payment

Fix verify of elephant code model for services

Conflicts:
	htdocs/core/class/html.formprojet.class.php

FIX bug margin calcul by user with multicompany

FIX all dolibarr versions about project list and ajax completion bug

FIX #6227 Document models table header "Unit" is shown in 2 lines in Spanish