This patch adds new command line 'nova-policy'. This is administrator
command line, it is tool for experience the policy discovery which
is still under-development.
Co-Authered-by: Alex Xu <hejie.xu@intel.com>
Change-Id: If4abf0fca043de2cb5c719a53505526f3c0b871b
Implements: blueprint discoverable-policy-cli