Updated js-url from 1.8.0 to 1.8.2

Source taken from https://github.com/websanova/js-url

- https://raw.github.com/websanova/js-url/master/url.js
- https://raw.github.com/websanova/js-url/master/url.min.js

the source code files have been renamed from url.js to js-url.js to follow the convention in the existing js repository