usablica/intro.js — pull request #13 by Cangit (2013-03-15 17:04:17+00:00)
Title: Added a complete method

Added a complete method,
so you can define a callback method when intro.js is done.

Example of usage:
```js
introObj = introJs();
introObj.complete( function(){
alert('Intro JS is finished. Watch our video tutorial.');
window.location.href = "http://www.youtube.com";
});
introObj.start();
```