Makes oracles more friendly to use as library #208

Job	Run time
build	4m 6s
fmt	16s
clippy	1m 52s
tests-postgres (boost-manager)	3m 31s
tests-postgres (iot-config)	2m 31s
tests-postgres (iot-packet-verifier)	4m 53s
tests-postgres (mobile-config)	2m 41s
tests-postgres (iot-verifier)	3m 58s
tests-postgres (mobile-verifier)	3m 56s
tests (coverage-map)	1m 42s
tests (coverage-point-calculator)	1m 51s
tests (file-store)	1m 55s
tests (mobile-packet-verifier)	3m 8s
tests (ingest)	2m 31s
tests (reward-scheduler)	1m 13s
tests (task-manager)	1m 15s
build-release	0s
	41m 19s

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