javapackagerでjarをappにする

OpenRocket-15.03.jarをappにした。
openrocket.info

javapackager \
  -deploy \
  -Bruntime=/Library/Java/JavaVirtualMachines/jdk1.8.0_73.jdk/Contents/Home \
  -srcfiles OpenRocket-15.03.jar \
  -native image \
  -srcdir . \
  -outfile OpenRocket.app \
  -name "OpenRocket" \
  -title "OpenRocket" \
  -outdir ./ \
  -appclass net.sf.openrocket.startup.OpenRocket \
  -nosign \
  -v