This is a follow-up patch to the patch so that the power status
is not retried if a power action fails:
ee5d4942a1c33736ffe05ec01619142be400c2f4
It addresses the comments as well as adds more clarification
and updates the documentation to refer to the new
[ipmi]command_retry_timeout config option.
Change-Id: Ib21544da260565ae399e2d07b32af9bd8b810280
Related-Bug: #1692895