git subrepo pull (merge) swim-tutorial

subrepo:
  subdir:   "swim-tutorial"
  merged:   "1a4fc5be"
upstream:
  origin:   "git@github.com:swimos/tutorial.git"
  branch:   "master"
  commit:   "77ea8bc3"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"

Author: ajay-gov