Missed a deprecated rule and two new policies. Change-Id: Icb69a6c1d7049c2f4c2f3aeffbb95291a8ef25d3
NOTE: Because we're specifically talking about xena changes, the URLs in the release note are to the *xena* version of the cinder documentation, which has not yet been published. Change-Id: I1d76333d3d6048cd1562b7f0634177dc2d507e94