Bump src/cloud_controller_ng, src/dea_next

Bump cloudfoundry/cloud_controller_ng:
  Maria Shaldibina:
     Log when the app is deleted ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/16051775 )
     Log the changes on app update ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/16050939 )
  David Varvel, Jimmy Da and Lucas Marks:
     Provide a better error message for duplicate plans ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/16044797 )
  Phan Le:
     Move back to published talentbox-delayed_job_sequel ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15945976 )
     Reduce duplication and split complex method ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15944446 )
Bump cloudfoundry/dea_ng:
  Maria Shaldibina:
     Log instance index when registering/unregistering instance ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/16051456 )
  Aram Price:
     Remove rspec monkey patch ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/15946413 )
     Remove TODOs ( Travis Unknown )
     Update rubyzip gem (:test group) ( Travis Failed: https://travis-ci.org/cloudfoundry/dea_ng/builds/15945722 )
     Use ruby 1.9 hashes ( Travis Unknown )