To start developing execute the following commands. You need grunt, bower and compass installed as well.
$ npm install
$ bower install
$ grunt init
$ grunt plugin:add:org.apache.cordova.device
$ grunt plugin:add:org.apache.cordova.console
$ grunt plugin:add:org.apache.cordova.geolocation
$ grunt plugin:add:org.apache.cordova.inappbrowser
$ grunt plugin:add:org.apache.cordova.splashscreen
$ grunt serve