task/de41-ta140 -- OnDelivery -- Comms template selection configuration
settings

nparcel/b2cconfig/ondeliveryb2cconfig.py
* new attribute sc4_delay_ids that provides a tuple of Business Unit
  IDs that use the delay template for Service Code 4 on delivery comms

nparcel/ondeliverydaemon.py
* new attribute sc4_delay_bu_ids that provides a tuple of Business
  Unit IDs that use the delay template for Service Code 4 on delivery
  comms
* new method template_lookup() checks if  a given bu_id has its SC4
  delay template flag set
Documentation update