change message board to disqus service.
move sidebar to navbar top.(for responsive design)
change default page to message board.
move rank bar to top
move about button to bottom navbar.
move apple(plugins) to server status page.
change slider img to responsive style.
change application to responsive style.
change download page to responsive style.
fix content bottom margin.
set message board default value.
fix admin tool link.
add DataApi unit test.