[BZ 970784] Add new column DEPLOYMENT_DELAY_IN_SECONDS to BundleDeployment
[BZ 970784] Add new message view_bundle_deployWizard_discoveryDelay
Return tests to original form after DiscoveryAgentService rollback
[BZ 970784] Allow changing the discoveryDelay from recipe (discoveryDelay property) as well as from the UI. If previous liveDeployment had a different value, use that one.