Updated comments

/**
* <file description>
* Previous authors: James GuanFeng Lin, Mikhail I. Izmestev, Daniel
Stonier
* @author: Simon Delage <simon.geekitude@gmail.com>
* @license: CC Attribution-Share Alike 3.0 Unported
<http://creativecommons.org/licenses/by-sa/3.0/>
*/