- update to 2.0.0:
* Replace cliff by click
* Set the Cliff namespace
* Wait logging thread and close the fd
* Use psutil to cleanup process
* Fix travis CI
* swift: use 127.0.0.1 instead of localhost for memcached
* gnocchi: run 4 api processes
* Remove deprecated parameters from server.properties
* gnocchi: allow any workers as possible
* Replace hacking with flake8 extensions
* Update wait\_for\_line for Kafka 1.0.0 server
* Update config for 0.11 kafka server
* Add leseb image in README.rst
* gnocchi: handle virtual env on API
* correct disk name
* create data directory for swift
* Push release to PyPI using Travis
* Fix Python 2 ProcessLookupError
* Handle terminate lookup error
* tests: call setUp to init cleanups
* postgresql: do not call \_exec in \_\_init\_\_
* Install mock for tests
* Remove not used oslotest dependency
* Fix process cleanup
* Ensure pifpaf kill all processes
* Fix compatibility with Redis 4.0

- convert to singlespec