no longer using explicit executable
Delegate to cyoi to provision/request IP address for microbosh
For local development, look for cyoi in parent folder
Trigger microbosh config & deploy (fake stemcell ami/path)
Delay need for stemcell ami/path until during deployment
Document Microbosh usage; convert bosh.address => address.ip as per cyoi
Planning for ami/stemcell
deploy action delegates to microbosh_providers to decide & fetch stemcell or AMI
spec for AWS microbosh_provider
spec for OpenStack microbosh_provider
spec for VSphere microbosh_provider
All Microbosh#deploy tests are the same

The micro_bosh.yml tests are in microbosh_providers/*_spec.rb
Microbosh#deploy no longer needs the provider name
AWS #stemcell returns AMI if us-east-1
Fix URI for last_successful_micro-bosh-stemcell for AWS
Using region-specific AMI URI
If in AWS outside of us-east-1 then download latest stemcell