Bump src/cloud_controller_ng, src/dea_next

Bump cloudfoundry/cloud_controller_ng:
  Eric Malm:
     Cloudcontroller can send job information with full urls (rather than just paths) ( Travis started: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/13662316 )
Bump cloudfoundry/dea_ng:
  Eric Malm:
     Defensively handling job URIs from cloud controller. ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/13662085 )
     Fixed a typo that stop DEA starting up ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/13598699 )
  Alex Jackson:
     emit staging logs with a special STG emitter ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/13555805 )
     Switch to v2 of the loggregator gem, also add shared_secret to emitter config ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/13550936 )
  Johannes Tuchscherer:
     Stub out remaining_disk to avoid test pollution ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/13549191 )
     Polling droplet upload status for 5 mins before giving up ( Travis Unknown )
     Fix rm the instance.json ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/13544461 )
  Phan Le & Tim Labeeuw:
     Handling parsing errors ( Travis Failed: https://travis-ci.org/cloudfoundry/dea_ng/builds/13538717 )
     Use the new rspec mock to double syntax ( Travis Unknown )
     Allow the tmpdir to be clean up in the test or prod code ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/13490820 )
     Always choose the first relational DB for the DATABASE_URL environment variable ( Travis Unknown )
  Phan Le, Ravi Punj & Tim Labeeuw:
     Adding polling logic to upload ( Travis Unknown )