configure external_url in bosh-lite manifest
configure external_url in bosh-lite manifest

Signed-off-by: Corbin Halliwill <38cf05332854d0c00b392ad9da3fb5cec295aa83@pivotal.io>

cjcjameson/concourse,zachgersh/concourse,zachgersh/concourse,concourse/concourse,concourse/concourse,cjcjameson/concourse,cjcjameson/concourse,concourse/concourse,zachgersh/concourse,concourse/concourse,concourse/concourse