Setup sbt in release action #167

Job	Run time
run-tests (fixtures)	1m 18s
run-tests (http)	1m 37s
run-tests (http_typesafe)	1m 38s
run-tests (json)	1m 30s
run-tests (typesafe_app)	1m 26s
run-tests (monitoring)	1m 37s
run-tests (monitoring_typesafe)	1m 28s
run-tests (messaging)	3m 7s
run-tests (messaging_typesafe)	1m 39s
run-tests (storage)	2m 35s
run-tests (storage_typesafe)	1m 46s
run-tests (elasticsearch)	2m 26s
run-tests (elasticsearch_typesafe)	1m 40s
run-tests (sierra)	1m 53s
run-tests (sierra_typesafe)	1m 43s
	27m 23s

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