Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  James Myers:
     Merge branch master of https://github.com/cloudfoundry/cloud_controller_ng ( Travis created: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27825458 )
     Undo both scale and start when undoing changes on applications. ( Travis Unknown )
     Merge remote-tracking branch origin/pr/219 ( Travis Unknown )
     Unify controller error handling specs in model_controller_spec ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27790819 )
     Remove duplicate permission specs ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27721655 )
     Move diagnostics_spec so they run as part of the suite ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27710995 )
     Rename SpecEnvironment to SpecBootstrap ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27710668 )
     Pull behavior out of SpecEnvironment initialize ( Travis finished: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27708853 )
     Extract more paths to paths.rb ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27697721 )
  Joseph Palermo:
     Clean up unique_attributes shared examples to use shared example blocks rather than methods ( Travis created: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27823284 )
     Remove unused database test table; Shorten name of test join table ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27822204 )
     Move reading shared examples into model_controller_spec ( Travis finished: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27821585 )
     Move querying shared examples into model_controller_spec ( Travis finished: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27821167 )
     Move enumeration shared examples into model_controller_spec ( Travis finished: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27820655 )
     Move deletion shared examples into model_controller_spec ( Travis Unknown )
     Move updating shared examples into model_controller_spec ( Travis finished: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27819526 )
     Move creation shared examples into model_controller_spec ( Travis finished: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27818851 )
     Move collection specs into model_controller_spec ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27818301 )
     Move collection modification specs into model_controller_spec ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27810183 )
     Remove "an authenticated endpoint" shared example ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27801761 )
     Clean up model_controller_spec ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27801103 )
  Ted Young:
     updated API doc info in README ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/27793296 )
  fraenkel:
     Limit the undo on failures to only stop or scale down ( Travis Unknown )

Signed-off-by: Dave Liebreich <dliebreich@pivotallabs.com>