Bump src/cloud_controller_ng:

Alex Suraci (1):
      use cdn for resource pool if configured

Alex Suraci and Mark Rushakoff (1):
      stream bits from resource pool

Dennis Schmidt & Gregg Van Hove (1):
      [#50331961] create presenters for user summary endpoint

Jesse Zhang and Matt Royal (1):
      Newly advertised plans are private by default

Matt Royal (2):
      Users in orgs that have access to a private plan can see it
      Remove flakey, low-value integration test

nikitamit (1):
      Merge pull request #51 from cloudfoundry/service_acl