* Display of docker container properties is a bit wonky. It always says they are unchanged even when they changed and triggered a reprovision. * There is no way for a property of a docker container to require some property be met outside the container. For example, some servers need ntp installed for a good date source. * Docking a container in a host should add to the host any cnames that are assigned to the container. * It seems that provisionContainer sometimes hangs when the container is already running. This seems likely to be a problem with the simpleSh socket hack. (I think this was an uncaught exception crashing the simpleSh server thread, and if so, it's fixed. Waiting some weeks to see, as this bug rarely occurred..)