In order to migrate the code base to the "OpenStack way":
* Replace ConfigParser by oslo.config
* Replace logging by oslo.log
* Use testtools as base class for unit tests
* Add tox -e genconfig to generate config file
* Start to organize the file structure like other projects
* Define 2 cli entry points almanach-collector and almanach-api
* The docker-compose.yml is now used to run integration-tests
* Integration tests will be moved to tempest in the future
* Docker configs should be deprecated and moved to Kolla
Change-Id: I89a89a92c7bdb3125cc568323db0f9488e1380db
Frédéric Guillot