A continuation of previous patches adding support for node
get and list calls to be able to overriden with an
os_ironic_api_version keyword argument.
Also adds a release note covering the prior patches in this
series.
Change-Id: I870540a23555e6ae37659452f727872d9d7882a3
Related-Bug: #1739440
Story: #2001870
Task: #14325