Implement neutron metering resources

Two new resources were added:
 - MeteringLabel
 - MeteringRule

These resources are realisation in heat neutron's
resources: metering-label and metering-label-rule.

Change-Id: I700dac3fa12d8202b873957542dba6ee1605c3e3
Implements: blueprint neutron-metering-resources
Add stack id and resource id in logs

Where applicable, the stack and resource id's will be added in the logs
that reference those stacks and/or resources.

blueprint log-resource-stack-id

Change-Id: I70958ddd4904d70ff26c7ad28e2f7fe951881198
Co-Authored-By: Daniel Givens <daniel.givens@rackspace.com>
Merge "Add stack id and resource id in logs"
Merge "Implement neutron metering resources"