Add Car Rental Widget from Landing Pages

![1414683210](https://cloud.githubusercontent.com/assets/708296/4846205/2c1b5582-604a-11e4-80ab-fec7b79cb81e.png)

I don't like creating an HTML string for this when the select element has a proper interface for adding options, `$currency.get(0).options.push(new Option(...))` but I guess it depends how far you want to dig!