add new post
revise c++11 article
remove unnecessary spaces between right angle brackets
fix wrong URL
transition to jekyll
fix feed
use yaml list for tags
remove coderay config
add disqus and google analytics
fix favicon and RSS
add username
apply scroll to code block
fix initial padding of `post pre code`
syntax highlighting with highlight.js
better typeface
remove link text underline on hover
better code font
fix double line-height in Webkit