Nodejs support

Hello, I was charmed by your json to table demo. I wanted to get it to work in nodejs with npm instead of bower. 

It seems I got it to work with just this much (see changes). I've managed to write away your table output to an html file, using outerHTML. 

So I created a package.json file for you, so anyone can use this in nodejs. 

You could publish it on npm. 'json-human' is still available. 

Also, the demo page still works, so I guess this merge should not break anything.