Updated openstack/openstack
Project: openstack/sahara  135775f09491880ac00ae13ff397a03089c4a82e

Add genconfig tox env

It'll generate the config sample to etc/sahara/

It could be used by developers to generate the latest version of config
to avoid pep8 check errors (pep8 checks that config is fresh).

Change-Id: Ia942d2558317ae5aa46fce4e869ef0323758210d