add test code.
Update _includes/themes/twitter/default.html

Remove test code.
Update index.html

Refine homepage.
add old blogs.
Merge branch 'gh-pages' of https://github.com/JohnnyMa/blog into gh-pages
add new post
add new post
add new post
add fork image
add fork image
refine ui
add new post
add new post
add new post
add new post
add new post
refine
Update _posts/2012-10-24-javascript-module.html
refine home page.
refine