Alight arrows

It's a sickness, but I can't help myself.
Remove realize soren from server

Soren is just a user like any other.
He should be realized at the same scope
as other users. This scope is currently
site.pp.
Minor refactor

Splits up etcd role from apache role.

Splits common config into base node.

Adds realize statement for soren user.
Add code to install openstack python clients

b/c they are required by our build scripts
Merge pull request #1 from bodepd/master

minor changes