OpenStack BAT manifest generation has stemcell_name

[#57273508]

Signed-off-by: Brian Cunnie <cunnie@pivotallabs.com>
Signed-off-by: Dmitriy Kalinin <dmitriy@pivotallabs.com>

Conflicts:
	bosh-dev/lib/bosh/dev/openstack/bat_deployment_manifest.rb
	bosh-dev/spec/bosh/dev/openstack/bat_deployment_manifest_spec.rb
AWS BAT includes stemcell_name

[#57273508]

Signed-off-by: Brian Cunnie <cunnie@pivotallabs.com>
'bosh aws bootstrap' uses the first stemcell

(no longer hard-coded to "bosh-stemcell")

[#57273508]

Signed-off-by: Brian Cunnie <cunnie@pivotallabs.com>
Make bosh boostrap handle different stemcell names.

Signed-off-by: Brian Cunnie <cunnie@pivotallabs.com>
include infra/hypervisor/os names in stemcell name

Signed-off-by: Dmitriy Kalinin <dmitriy@pivotallabs.com>
use class method instead of shared_examples_for

Signed-off-by: Dmitriy Kalinin <dmitriy@pivotallabs.com>
pass in ENV explicitly into stemcell builder

Signed-off-by: Dmitriy Kalinin <dmitriy@pivotallabs.com>
formatting

Signed-off-by: Dmitriy Kalinin <dmitriy@pivotallabs.com>
delete correct stemcell used by bats

Signed-off-by: Dmitriy Kalinin <dmitriy@pivotallabs.com>
console clean up tests for bat runner

Signed-off-by: Dmitriy Kalinin <dmitriy@pivotallabs.com>
use generic stemcell fixture data

Signed-off-by: Dmitriy Kalinin <dmitriy@pivotallabs.com>
updated docs with new bosh stemcell names

Signed-off-by: Dmitriy Kalinin <dmitriy@pivotallabs.com>