Add node playbook and tasks (#34)

* fixes of read me for 3.3 and paths

* increase wait for route propagation

* README patchup

* WIP: add node playbooks

* syntax error

* fix up of host up playbook

* scale the router/registry

* change of wording in add-node.py

* change of trigger name

* fix of existing_sg to node_sg

* needed to switch to the default project

* moving things around for the load balancer

* dont wait on elb and suggestion for removing changed in regards to subscription

* rhui wasn't being disabled using subscription-manager solved using file

* disable repos rather than remove

* patchup