add crypto signature to distributed jar and confirm signed during check phase so long as jarsigner is found
the optional "o" parameter which caused issues in non-cuddled optarg was fixed in the use of GetOpt.jar; broken without, but that did not show in my testing.  Discovered by Dave Ravlen, now re-fixed in the more-manual-effort-can-we-kill-it-now-please-die-die-die code