XD-2058 - Renamed DeploymentVerifier to ResourceStateVerifier. Added met...

...hods to SingleNodeIntegrationTestSupport to allow blocking until incomplete status. Also removed *PathProvider classes and used Repositories directly.
Currently the only way to do that is via stream/job list. I actually had a version that worked that way but was overly complex, and generated console output for every stream list command that led me to simplify. If we introduce shell commands to get state for a specific deployment unit we can revisit.