vSphere 6.0 Concourse worker replaces vSphere 5.1
vSphere 6.0 Concourse worker replaces vSphere 5.1

[#145457253](https://www.pivotaltracker.com/story/show/145457253)

Signed-off-by: Chris Dutra <7eb54fc324f04033595eb420f2ee7c112fb7259e@pivotal.io>

cloudfoundry-incubator/bosh-vsphere-cpi-release,cloudfoundry-incubator/bosh-vsphere-cpi-release,cloudfoundry-incubator/bosh-vsphere-cpi-release,cloudfoundry-incubator/bosh-vsphere-cpi-release,cloudfoundry-incubator/bosh-vsphere-cpi-release