Show Already Attached Vols
Show Already Attached Vols

This patch updates the behavior of the `volume attach` command. If a
volume is provided that is already attached, it will simply be emitted
in the output as if it were being attached for the very first time,
effectively making this command idempotent.

emccode/rexray,thecodeteam/rexray,codedellemc/rexray,cduchesne/rexray,akutz/rexray,thecodeteam/rexray,emccode/rexray,oppodeldoc/rexray,cduchesne/rexray,cduchesne/rexray,codedellemc/rexray,akutz/rexray,thecodeteam/rexray,emccode/rexray,cduchesne/rexray,codedellemc/rexray,thecodeteam/rexray,codedellemc/rexray,oppodeldoc/rexray,cduchesne/rexray,oppodeldoc/rexray,oppodeldoc/rexray,thecodeteam/rexray,akutz/rexray,emccode/rexray,akutz/rexray,thecodeteam/rexray,akutz/rexray,codedellemc/rexray,oppodeldoc/rexray,akutz/rexray,codedellemc/rexray,cduchesne/rexray,oppodeldoc/rexray