Convert commands over to use pflag library for POSIX style opts #332
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The standard Go flag library treats long & short options as
identical (eg --foo & -foo are the same). This prevents the
creation of short aliases for flags. The replacement pflag
library supports full POSIX opts syntax where long and
short options are distinct. The virtctl command already
uses this library. Convert the remaining commands over to
use it too, so we can later add short options for common
args.
Signed-off-by: Daniel P. Berrange berrange@redhat.com