admin: Ensure we pass options to subcommands
admin: Ensure we pass options to subcommands

Otherwise ostree admin --ostree-dir=/foo deploy --no-kernel bar
doesn't work.

leandrosansilva/ostree,leandrosansilva/ostree,gatispaeglis/ostree,GNOME/ostree,sujitfulse/ostree,gatispaeglis/ostree,sujitfulse/ostree,resin-io/ostree,sujitfulse/ostree,leandrosansilva/ostree,leandrosansilva/ostree,resin-io/ostree,GNOME/ostree,gatispaeglis/ostree,gatispaeglis/ostree,sujitfulse/ostree,resin-io/ostree,gatispaeglis/ostree,GNOME/ostree,gatispaeglis/ostree,leandrosansilva/ostree,GNOME/ostree,GNOME/ostree,resin-io/ostree,sujitfulse/ostree,resin-io/ostree