OSGi Make the integration test work again. See #3292

OSGi Adding ScalaBuff and removing experimental from cluster. See #3292
OSGi create bundle for ScalaBuff. See #3292
OSGi Make the integration test work again. See #3292
Merge pull request #1503 from akka/wip-3292-osgi-integration-test-ban

OSGi Make the integration test work again #3292