STORAGEMODEL-260 rescan_scsi_bus: retry on POWER ON OCCURRED
STORAGEMODEL-260 rescan_scsi_bus: increasing the retry count to 10
TRIVIAL bringing back StorageModel.predicates, used by the QA infrastructure
Finished release v0.2.7.

* release/v0.2.7:
  TRIVIAL bringing back StorageModel.predicates, used by the QA infrastructure
  STORAGEMODEL-260 rescan_scsi_bus: increasing the retry count to 10
  STORAGEMODEL-260 rescan_scsi_bus: retry on POWER ON OCCURRED