I checked the doc you shared here. I am confident to work on this.
I can work in bid price for layout changes. other development related cost will be extra.
We can discuss more during chat.
I am senior php developer having 4+ years of experience.
My skill set consist of php, codeigniter, laravel, mysql, twitter bootstrap, html5, css3, psd to html, wordpress, opencart, ajax, jquery, javascript, api development, webservices, github, svn and git.
Looking forward to discuss in detail.
Thank you
Dhruvi