Protect Blueprint from expected, missing services.
Protect Blueprint from expected, missing services.

Addresses #71.

devstructure/blueprint,volcomism/blueprint,devstructure/blueprint,nginxxx/blueprint,AndBicScadMedia/blueprint,volcomism/blueprint,AndBicScadMedia/blueprint,nginxxx/blueprint,nginxxx/blueprint,volcomism/blueprint,AndBicScadMedia/blueprint