Merge remote-tracking branch 'origin/3.4' into 3.4_backported

ChangeLog

@@ -54,7 +54,7 @@ For users:
 - New: [ task #741 ] Add intervention box.
 - New: [ task #826 ] Optionnal increase stock when deleting an invoice already validated.
 - New: [ task #823 ] Shipping_validate email notification.
-- New: [ task #900 ] Review code of ficheinter.class.php
+- New: [ task #900 ] Review code of ficheinter.class.php.
 - Fix: [Bug #958] LocalTax2 for Spain fails on Suppliers
 - Fix: [ bug #972 ] Auto completion contact field do not take account the min caract number before search
 - Fix : [ bug #971 ] html.form.class.php select_contact with autocomplete do not exclude id from exclude array