scripts: improve rlite-ctl bash completion to automatically get subcommands
scripts: improve rlite-ctl bash completion to automatically get subcommands

vmaffione/rlite,autrimpo/rlite,autrimpo/rlite,autrimpo/rlite,vmaffione/rlite,vmaffione/rlite,vmaffione/rlite,autrimpo/rlite