NewDeploymentConfigController creates a new DeploymentConfigController.

NewRCControllerRefManager returns a RCControllerRefManager that exposes methods to manage the controllerRef of ReplicationControllers.

DeploymentConfigController is responsible for creating a new deployment when: 1.

RealRCControl is the default implementation of RCControlInterface.

RSControlInterface is an interface that knows how to add or delete ReplicationControllers, as well as increment or decrement them.