Revert "Change Ginkgo install script"
Revert "Change Ginkgo install script"

This reverts commit 9468bf310342988ad3f13df949a7996c655086cc.

frodenas/bosh-google-cpi-boshrelease,erjohnso/bosh-google-cpi-release,cloudfoundry-incubator/bosh-google-cpi-release,cloudfoundry-incubator/bosh-google-cpi-release,evandbrown/bosh-google-cpi-release,erjohnso/bosh-google-cpi-release,frodenas/bosh-google-cpi-boshrelease,frodenas/bosh-google-cpi,erjohnso/bosh-google-cpi-release,cloudfoundry-incubator/bosh-google-cpi-release,evandbrown/bosh-google-cpi-release,frodenas/bosh-google-cpi,evandbrown/bosh-google-cpi-release,frodenas/bosh-google-cpi-boshrelease,evandbrown/bosh-google-cpi-release,cloudfoundry-incubator/bosh-google-cpi-release,erjohnso/bosh-google-cpi-release