Revert "Temporarily change gem version back to 2.0"
Revert "Temporarily change gem version back to 2.0"

This reverts commit dd24ea232d5cbb02b7ad43946409fec3c1b78b47.

tracyde/bosh-aws-cpi-release,cloudfoundry-incubator/bosh-aws-cpi-release,cloudfoundry-incubator/bosh-aws-cpi-release,jfuerth/bosh-aws-cpi-release,tracyde/bosh-aws-cpi-release,cloudfoundry-incubator/bosh-aws-cpi-release,jfuerth/bosh-aws-cpi-release,tracyde/bosh-aws-cpi-release,jfuerth/bosh-aws-cpi-release