Bug 1030305 - 'rhc app show --state/--gear' shows db gear stop after restore snapshot for scalable app

Given one scalable app create(e.g., myjbossews20s), embed some db and do save
snapshot, and then restore snapshot, found 'rhc app show
--state/--gear' show the state of db gear stop not started, but 'rhc cartridge
status' shows the status of db gear running.