nothing on it)
Fix: Don't know how I forgot this events into trigger system.

Fix dispatching batch products and add error message.
Make DispatchProduct method backwards comp and add missing $trigger.
Add missing ORDER_SUPPLIER_DISPATCH trigger to demo class.

Conflicts:
	htdocs/exports/export.php

Fix permission not managed into get_menudiv.php

Since last commit, $objp->date_livraison returns nothing ; max() will
then returns wrong result, and the warning image will be displayed when it
should not.

but there is no more data loss so we can allow this version. A database
upgrade to 5.6 will be required if this occurs.

Also add phpunit test to avoid this in future.

header. We must add a log before any generation of ouput content so we
are sure a buffering of output has been started.