Finished release v0.2.19.

* release/v0.2.19:
  HIP-1113 cleaning up
  HIP-1113 cleaning up
  HIP-1113 cleaning up
  HIP-1113 rescan_scsi_bus.utils.check_for_scsi_errors: runs the decorated func twice
  HIP-1126 Infinidat predicates handle asi and instruct errors
  HIP-1113 rescan_scsi_bus: proper handling of sub-processes
  STORAGEMODEL-276 fixing the test
  STORAGEMODEL-276 reading host and cluster id from page 0xc6 or 0xc5 instead of page 0x83