Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Abhijit Hiremagalur:
     Introduce default rake task ( Travis created: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/21973763 )

Signed-off-by: Matthew Sykes <matthew.sykes@gmail.com>
Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Derek Richard and Jenny Chou:
     Reraise error if e is not unauthorized ( Travis started: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/21976690 )