Add a sample clouds.yaml
Add a sample clouds.yaml

Since commit 22569f218e4ca461da4e50dfc686adae6a44d2ba functional
testing credentials are managed by os-cloud-config. This change
adds a sample config to help developers run functional tests locally.

Change-Id: I16d1cb9a8bcaf18dda26af596652564b190cbe93

guptaankita/python-novaclient,takeshineshiro/python-novaclient,mat128/python-novaclient,mat128/python-novaclient,guptaankita/python-novaclient,takeshineshiro/python-novaclient