Revert "Revert "Stop shelling out for IP in job templates.""

This reverts commit cab76da3b9039bfbf1e73f0c312ba6590bf5387d.
Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Sabha Parameswaran:
     Stop shelling out for IP in templates. ( Travis finished: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/24065762 )

* Add networks.app to job/specs that have syslog_forwarder.conf.erb as an
  attempt to prevent shelling out in templates.

[#69222188]

Signed-off-by: James Myers <jmyers@pivotallabs.com>