Move to method for routing status calculation on Delivery.
Move to method for routing status calculation on Delivery.

jbpadgett/ddd_sample_app_ruby,paulrayner/ddd_sample_app_ruby,makenoisewacamayo/ddd_sample_app_ruby,makenoisewacamayo/ddd_sample_app_ruby,makenoisewacamayo/ddd_sample_app_ruby,jbpadgett/ddd_sample_app_ruby,paulrayner/ddd_sample_app_ruby,jbpadgett/ddd_sample_app_ruby