Install NodeJS from here https://nodejs.org/ and then install bower using the node package manager (npm) that comes with NodeJS:

npm install -g bower

Once git cloned, run the following commands having navigated to the relevant directory in the command line or terminal:

npm install
bower install

This will download all of the relevant dependencies you will need to get going.

To run the app, call:

npm start

Application configuration can be found in config/default.json