make jflow able to send emails

application.properties

@@ -32,8 +32,8 @@ server_socket_port = 8080
 [email]
 # if you want an email to be sent at the end of the workflow execution
 # set the smtp_server and the from_address values
-smtp_server = smtp.toulouse.inra.fr
-from_address = Jerome.Mariette@toulouse.inra.fr
+smtp_server = 
+from_address = 
 # uncomment and set if you want to use these values for all the workflow
 # these variables can be overloaded within the workflow implementation by
 # using self.set_to_address("address"), self.set_subject("subject"),