Merge pull request #30 from mancdaz/master

multiple nova-schedulers
remove role:nova-network-setup from all.sh
Merge branch 'master' of github.com:rcbops/jenkins-chef-nova-dingus
adding nova-network-controller to the run_list for the api server
Update build scripts

* use chef-template3 which starts with no chef services running
* provide mechanism to start chef-server on creation of the chef-server
* update wait_for.*ssh.* functions to use hostname instead of IP which makes it easier to troubleshoot errors in the job output
* spit wait_for_cluster_ssh into two functions for better status reporting.
add multiple rabbitmq servers to gating
resolve merge conflict