git subrepo pull generators/app
git subrepo pull generators/app

subrepo:
  subdir:   "generators/app"
  merged:   "a40969a"
upstream:
  origin:   "git@github.com:ahmed-masud/yo-express-polymer-app.git"
  branch:   "master"
  commit:   "a40969a"
git-subrepo:
  version:  "0.2.1"
  origin:   "???"
  commit:   "???"

ahmed-masud/generator-polymer-middleware,ahmed-masud/generator-polymer-middleware