After cloning run the following commands:
npm install
cd common
gulp
cd ..
cd deckmanager
gulp
cd ..
cd deckbuilder
gulp
cd ..
npm start
Browse at http://localhost:8666
(If you'll also change common vertical) Start gulp watcher in common directory
cd common
gulp watch
(In another terminal window, if you're also running common) Start {vertical} watcher (deckmanager or deckbuilder)
cd {vertical}
gulp watch