Don't restart the app unless it's already running (bind-service, unbind-service, etc.)

Sometimes configuring an app on cloud foundry requires multiple steps of creating, binding, deleting, unbinding services and the like. It would be nice if I could just stop the application, do the necessary and then start it again at the end. At the moment, the plugin seems to always restart the application for those commands. I think it should only do so if the application is already running.

Related to this, it would be nice to deploy an application with an automatica restart, perhaps via a --no-start option, especially when you know the application won't run properly until you've created and bound a service or updated the memory reservation.