Fix to work when keystone is behind haproxy
Use new helpers to get hostnames for endpoints
Merge pull request #39 from vuntz/haproxy

Work with keystone behind haproxy
HAProxy support for heat-api*

adapt helper and model to prepare cluster info

db password must not be created in the cookbook, but in crowbar
(so that it is common for the cluster nodes)

increased schema-revision

use the library functions for shared code