The website http://www.openpiv.net is actually the http://openpiv.github.io. The website is built thanks to Jekyll, Github pages and Bootstrap.
newpage.md
to the repository by forking, adding and sending pull request.year-month-day-title-of-the-post.md
to the folder _posts. Again this is possible after obtaining the developer permissions to the original repository http://github.com/openpiv/openpiv.github.com or forking and sending a patch or a pull request. It takes precisely 30 seconds.