Add more detailed tests for Runner#run!

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Add varz parameter for delayed job queue length

Signed-off-by: Kris Kelly <kkelly@pivotallabs.com>
Fix TravisCI artifact upload

See Github issue:
https://github.com/travis-ci/travis-artifacts/issues/23

Signed-off-by: Kris Kelly <kkelly@pivotallabs.com>
Bump vcap-common and use cf-registrar

  * cf-registrar was split out of vcap-common

Signed-off-by: Kris Kelly <kkelly@pivotallabs.com>