Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Peter Parente:
     Avoid global reference to Dea::Respondent ( Travis Unknown )
     Globals is really the Dea::SubSystem ( Travis Unknown )

Signed-off-by: Abhijit Hiremagalur <abhi@pivotallabs.com>
Merge remote-tracking branch 'origin/develop' into lamb-develop
Merge remote-tracking branch 'origin/lamb-develop' into lamb-acceptance