Bump stager
Bump stager

Bump cloudfoundry-incubator/stager:
  Abhijit Hiremagalur:
     Remove Godeps; vendor deps in diego-release ( Travis created: https://travis-ci.org/cloudfoundry-incubator/stager/builds/35484220 )

cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release