Bump src/warden

Bump cloudfoundry/warden:
  Chris Adams:
     Ignore .vagrant/ ( Travis created: https://travis-ci.org/cloudfoundry/warden/builds/21794345 )
     No longer need to create vagrant box locally ( Travis Unknown )

Signed-off-by: Abhijit Hiremagalur <abhi@pivotallabs.com>
add etcd metrics server job

colocates with etcd to provide healthz and varz endpoints, registers with
collector

[#67259208]
Bump src/collector
Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Aram Price:
     Rake tasks should not blow up if rubocop is not loaded ( Travis created: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/21794709 )
     Add :rubocop rake task, run as a dependency of :spec task ( Travis started: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/21793787 )
     Fix rubocop violation ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/21793353 )
  aram price:
     Merge pull request #191 from sykesm/patch-1 ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/21792078 )
  Matthew Sykes:
     Call out rubocop for static code analysis ( Travis Unknown )
Bump src/dea_next

Bump cloudfoundry/dea_ng:
  Chris Adams:
     No longer need to create vagrant box locally ( Travis created: https://travis-ci.org/cloudfoundry/dea_ng/builds/21796770 )

Signed-off-by: Abhijit Hiremagalur <abhi@pivotallabs.com>
Bump src/dea_next

Bump cloudfoundry/dea_ng:
  aram price:
     Merge pull request #113 from nebhale/67329818-java-buildpack-v2.0.2 ( Travis started: https://travis-ci.org/cloudfoundry/dea_ng/builds/21799413 )
  Ben Hale:
     Upgrade Java Buildpack to v2.0.2 ( Travis Unknown )
Allow external login-server
Login enabled already defaults to true