Bump cloudfoundry/cloud_controller_ng:
  Gregg Van Hove and Mark Rushakoff:
     remove duplicate permission checks from all controllers ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/10558374 )
     remove duplicate permission tests from some controllers ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/10557801 )
     remove old permissions code ( Travis Unknown )
     Remove deprecated-by-allowy permission sets ( Travis Unknown )
     use allowy for service permissions ( Travis Unknown )
     use allowy for service plan permissions ( Travis Unknown )
     use allowy for service plan visibility permissions ( Travis Unknown )
     use allowy for service binding permissions ( Travis Unknown )
     use allowy for service auth token permissions ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/10552510 )
     log access denied ( Travis finished: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/10550767 )
     Allow read access of 'global' domain ( Travis Unknown )
  Maria Shaldibina and Tim Labeeuw:
     Use message bus with stringified keys ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/10557721 )
     Revert "make travis parallel" ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/10557637 )
     Fix parallel specs which now run in threads. Cleanup previous run ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/10557377 )
     make travis parallel ( Travis Unknown )
     Use stringified keys in NATS responses ( Travis Unknown )
  David Julia and Matt Royal:
     Delete unused class ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/10556827 )
  Jesse Zhang and Matthew Horan:
     Do not skip killing the other CC ( Travis Unknown )
  Alex Choi and Alex Suraci:
     use :chdir open3 option instead of CC's cwd ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/10555545 )
  Gregg Van Hove and Sarah Chandler:
     use allowy for stacks permissions ( Travis Unknown )
     use allowy for space permissions ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/10512967 )
     use allowy for service instance permissions ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/10512438 )
  Ryan Tang:
     Merge pull request #80 from cloudfoundry/tag_hash_removal ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/10545710 )
  Alex Suraci and Tim Labeeuw:
     use ISO8601 timestamp formats ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/10512794 )
  Nick Wade:
     Remove the tag hash that contains the org and space from the start app message, since loggregator does not need the space and org anymore ( Travis Unknown )