Cc vs ccng

See: https://github.com/cloudfoundry/cloud_controller_ng/issues/212

This is the top level PR to remove ccdb_ng and ccng from the manifest files and go back to using ccdb & cc instead. 

Full list of PRs for this change:
https://github.com/cloudfoundry/cf-release/pull/369
https://github.com/cloudfoundry/cloud_controller_ng/pull/217
https://github.com/cloudfoundry/loggregator/pull/22
https://github.com/cloudfoundry/uaa/pull/82