Eliminate Gemfile duplicate gem declarations
Eliminate Gemfile duplicate gem declarations

  * Pull in bosh gems as dependencies rather than part of the Gemfile
  * Remove development dependencies for gems that are not themselves
    development dependencies.

Signed-off-by: Rob Day-Reynolds <904086f049d807ae99640dbdfde98536a5822f56@pivotallabs.com>

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