Tooling npm grunt, bower

Set everything up for bower and grunt. 

1. Enter your terminal, navigate to the project folder and type `npm install`. This will install all required node_modules.
2. Enter `bower install` to download the qunit dependency. 

Everything is set up now. 

To run tests within a headless browser (phantomjs) type `grunt test`

Deleted `lib` folder, because this dependency will be installed by bower. 

(To run bower, you need installed git)