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 )
Bump src/collector

Bump cloudfoundry/collector:
  Tim Labeeuw:
     Updated the nats gem to the newest beta to match all other components ( Travis Success: https://travis-ci.org/cloudfoundry/collector/builds/14324506 )
     Update rspec, timecop and ci_reporter ( Travis Unknown )
  Matthew McNew:
     add new cf metrics plugin for collector ( Travis Success: https://travis-ci.org/cloudfoundry/collector/builds/13832760 )
Bump src/hm9000

Bump cloudfoundry/hm-workspace:
  Alex Suraci and Onsi Fakhouri:
     robustified heartbeat metrics ( Travis Success: https://travis-ci.org/cloudfoundry/hm-workspace/builds/14326547 )
     comma chameleon ( Travis Success: https://travis-ci.org/cloudfoundry/hm-workspace/builds/14287051 )
     added more logging around actual state storage ( Travis Success: https://travis-ci.org/cloudfoundry/hm-workspace/builds/14283831 )
     add write-through cache for actual state store ( Travis Success: https://travis-ci.org/cloudfoundry/hm-workspace/builds/14283588 )
     optimize store format and heartbeat saving rate; add heartbeat metrics ( Travis Success: https://travis-ci.org/cloudfoundry/hm-workspace/builds/14281470 )
  Maria Shaldibina and Onsi Fakhouri:
     update README ( Travis Success: https://travis-ci.org/cloudfoundry/hm-workspace/builds/14208925 )
     bump ginkgo ( Travis Success: https://travis-ci.org/cloudfoundry/hm-workspace/builds/14208765 )
  Mark Rushakoff and Onsi Fakhouri:
     bump testing framework ( Travis Success: https://travis-ci.org/cloudfoundry/hm-workspace/builds/14149876 )
Updated NATS to 0.5.0.beta.12