Switch from optparse to argparse
Switch from optparse to argparse

Change geni-sync-wireless from optparse to argparse for command line
options. optparse is deprecated, argparse is the replacement going
forward.

tcmitchell/geni-portal,tcmitchell/geni-portal,tcmitchell/geni-portal,tcmitchell/geni-portal,tcmitchell/geni-portal