Extension of grunt-usemin that allows for ability to configure usemin with mangle options
npm install grunt-usemin-mangle> Replaces references to non-optimized scripts or stylesheets into a set of HTML files (or any templates/views).
Watch out, this task is designed for Grunt 0.4 and upwards.
``shell``
npm install grunt-usemin --save-dev
[grunt]: http://gruntjs.com/
[Getting Started]: http://gruntjs.com/getting-started