Refactor radiator view and controller to split /radiator and /radiator.json
Self-refreshing radiator javascript with default timeout of 60 seconds, adjustable with ?refresh=nn
Rake task to add and remove child groups to groups.
Merge pull request #228 from sodabrew/rake_group_to_group

Rake task to add and remove child groups to groups.
Gather primary status counts in a single group-by query for the radiator and sidebar.
Merge pull request #219 from sodabrew/rails3-radiator

Refactor the Radiator