Yelp/Tron — pull request #52 by irskep (2011-10-25 21:22:31+00:00)
Title: Zap command for services (#39)

`tronctl zap my_service` will:

* cancel queued monitors on all `my_service` instances
* change the states of the service instances to `DOWN`
* change the state of `my_service` to `DOWN`

`tronctl zap my_service.0` will:

* cancel queued monitors on `my_service.0`
* change the state of `my_service.0` to `DOWN`
* change the state of `my_service` to `DEGRADED` (happens automatically because the service has fewer instances than it expects)