Introduce AWS EBS loadbalancer capability to frontend nodes
Add ELB and IAM capabilities to the fog_helper, also allow it to be called from within the nodes easier
Enabling tweaking of oc_chef_authz tunables
Make loadtester number/group size/container count centrally configured via config.json
Fix backend_vip setting for Tier topology, so it automatically points at the bootstrap host
odds and ends (facepalm)