Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Dave Liebreich:
     Update newrelic_rpm gem ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15911000 )
  Ruth Byers:
     Default quota reloads from database every time ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15910094 )
  Eric Malm:
     Avoid using @@class variables ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15909955 )
     Move DropletUpload job into Jobs::Runtime and drop suffix ( Travis Unknown )
     Move DropletDelete job into Jobs::Runtime and drop suffix ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15903086 )
  Abhijit Hiremagalur:
     Move ModelDeletion job into Jobs::Runtime and drop suffix ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15908983 )
     Fix require, update should be upload ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15906151 )
     Make jobs require in the same order on OSX and Linux ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15905965 )
     Move BlobstoreUpload && BlobstoreDelete into Jobs::Runtime ( Travis Unknown )
     Rename spec to match class name. ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15902264 )
     Properly namespace AppBitsPacker job and avoid suffix ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15901961 )
     Move model spec to correct location ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15899818 )
  Maria Shaldibina:
     Re-enable one_to_many modifying collection tests ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15907008 )
  Alex Choi, achoi:
     Fix the default quota definition missing in configuration ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/15902283 )