Merge pull request #98 from rackerjoe/master

use the rackspace mirrors for centos
Revert "use the rackspace mirrors for centos"

This reverts commit efc9f28f787a160857404427a497e97e6aed1f9c.

sadly, we started to see errors with the rackspace mirrors almost
immediately.
Merge pull request #99 from mancdaz/master

Revert "use the rackspace mirrors for centos"
run compute nodes separately, last, to ensure nova-compute connects properly to rabbit
Merge pull request #100 from mancdaz/master

run compute nodes separately, last, to ensure nova-compute connects properly to rabbit