- Update to version 2.3.1.8.g16bf282:
+ Adds IpAddressGenerationFailureClient exception

- Update to version 2.3.1.7.g15d5e50:
+ Update tox.ini to use new features

- Update to version 2.3.1.6.g89936fa:
+ Remove openstack.common.exception usage
+ Update help string to match API doc

- Update to version 2.3.1.2.ge61e846:
+ Client for metering extension

- fix requires

- Update to version 2.3.0.10.g030da0e:
+ Update cliff version to 1.4.3 in requirements.txt

- Update to version 2.3.0.8.ga3f5d0a:
+ Fix cisco n1kv plugin cli option and help

- Update to version 2.3.0.6.g920a5af:
+ Add provider attribute to lb-pool-create command

- Update to version 2.3.0.4.gdb7b01d:
+ Allow 'any' option for protocol in the firewall rule
+ bp:pxeboot-ports, provide pxboot on ports

- Update to version 2.2.6.33.gb1f348a:
+ Added support for running the tests under PyPy with tox