#371 - Specs for groups, pipelines, instances, stages done.
#371 - Specs for operations and pause messages.
#371 - Split latest stage name and state.
#371 - Handle previous instance blurb.
#371 - Add some comments in the new dashboard JSON ERB.
#371 - Small refactor - dashboard JSON erb - around pause operation.
#371 - Change: .to_json() => .to_json
#371 - Make temporary changes needed to make new JSON work.

* New JSON can now be accessed at: http://SERVER:8153/go/pipelines.new_json
#371 - Now accessible as dashboard.json

* Removed temporary .new_json mime type alias.
Merge remote-tracking branch 'origin/master' into new_dashboard_json
Merge pull request #373 from arvindsv/new_dashboard_json
Merge branch 'arvindsv-new_dashboard_json'