Initial version
Initial version

An environment encapsulates the runtime settings to a Selin cluster.
Currently, the only settings stored there is the plugins that implement
policies or profiles.

tengqm/senlin,tengqm/senlin,openstack/senlin,stackforge/senlin,tengqm/senlin-container,stackforge/senlin,openstack/senlin,tengqm/senlin-container,Alzon/senlin,openstack/senlin,Alzon/senlin