Why not
Make sure you have npm installed and run the following commands:
npm install jspm -g
npm install jspm-server -g
First make sure you have all dependencies installed by running jspm install in the root directory.
Simply run jspm-server in the root directory.
git checkout gh-pages
git merge master
jspm bundle lib/main --inject
Make sure the baseUrl in config.js is http://jordylangen.github.io/thumbsup-message-generator/