Add config for 'development mode' to cc templates

The '-d' option on the cloud controller has been replaced with a
'development_mode' key in the cloud controller.
Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Alex Suraci and Onsi Fakhouri:
     tweak hm9000_client fixture data to reflect changes in hm9k ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14286979 )
  Matthew Sykes:
     Remove -d in favor of config ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14284473 )
     Pending a monitor test ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14281138 )
     Only overwrite RACK_ENV if not alredy set ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14277051 )
     Enable newrelic development mode behind -d flag ( Travis Unknown )
     Add newrelic gem ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14230899 )
  Eric Malm:
     Fix broken spec ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14278944 )
     Update domain seed behavior ( Travis Unknown )
     Update organization seed behavior. ( Travis Unknown )
     Stack seeds behave the same as quota seeds ( Travis Unknown )
     Quota seeds do not overwrite existing records. ( Travis Unknown )
  Charlie Bevis:
     bump errors submodule ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14272462 )
     Bump errors submodule. ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14271404 )
Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Eric Malm:
     Seeding calls steno logger correctly ( Travis created: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14326078 )
Merge git://github.com/cloudfoundry/cf-release