You need to install git, Node.js, and (if not included with Node.js) NPM. In general, you"ll need Node.js >v4.0.0 and NPM >v3.0.0.
Linux users: using stock package repos for Node.js and NPM are generally not recommended.
Node.js Official Installation Instructions
sudo apt install git curl build-essential
curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash -
sudo apt install -y nodejs
Download and install Node.js v6 directly from their site, and Git directly from their site.
Change directory to your projects folder, then:
git clone https://github.com/CS506/fall2016-group2.git
cd fall2016-group2
npm install --dev