JavaScript files missing the MIT license header

[GoogleCodeExporter]

I noticed that the four JavaScript files don't have a license header. This 
seems to be a common practice amongst JavaScript libraries out there. Would it 
be possible to add the information to the files, perhaps similar to jQuery's 
text?

( https://github.com/jquery/jquery/blob/master/src/intro.js )

Original issue reported on code.google.com by [email protected] on 18 Sep 2012 at 5:06