gruntjs/grunt-contrib-jshint — pull request #130 by cou929 (2014-01-07 03:34:17+00:00)
Title: Support extract option

Support [**extract** option](http://www.jshint.com/blog/new-in-jshint-dec-2013/) which has been introduced at jshint 2.4.0.

After this change, we can specify extract option such like this:

```js
// Project configuration.
grunt.initConfig({
jshint: {
options: {
extract: 'auto'
}
}
});