Add standard firewall pre/post

Change-Id: I0a0d13210f19e6ff2b62e58d7a14308da57bb179
Add standard haproxy classes for DB

Change-Id: I6e654baeb357b374975a20dd804c54f9dcc3280b
Define a standard nova controller

Change-Id: I38c41bffc9cc630263430d5e24db4dc38eebabf1
Merge "Define a standard nova controller"
Merge "Add standard firewall pre/post"
Merge "Add standard haproxy classes for DB"