1) In application.xml : po-ejb ejb, mailer-ejb, processmanager ejb are deployed two times : in opc application and in supplier application.
	So we have two change the name of ejb jar file.

2) In ejb-jar.xml : we have modified the value of boolean parameters 
param/SendCompletedOrderMail, param/SendApprovalMail and param/SendConfirmationMail	
to allow the send of email.
