Git instructions for forking own repo using reveal-jekyll-slideserver as example

Fork own Repo of Slide Server

git clone https://github.com/mjvo/reveal-jekyll-slideserver NEW_REPO
cd NEW_REPO

[create NEW_REPO on github.com]

git remote set-url origin https://github.com/mjvo/NEW_REPO.git
git push origin gh-pages
git remote add upstream https://github.com/mjvo/reveal-jekyll-slideserver.git
git remote -v

  > output
    origin	https://github.com/mjvo/NEW_REPO.git (fetch)
    origin	https://github.com/mjvo/NEW_REPO.git (push)
    upstream	https://github.com/mjvo/reveal-jekyll-slideserver.git (fetch)
    upstream	https://github.com/mjvo/reveal-jekyll-slideserver.git (push)
  > END output
  
// to update from upstream
git fetch upstream
git merge upstream/gh-pages

[Optional:  Launch Github for OS X --> File Add Local Repository]