modify unicorn.rb for non-root user, and add some pictures
Merge branch 'master' of https://github.com/wendycan/yuetai.wendycan.org
Merge branch 'master' of https://github.com/wendycan/yuetai.wendycan.org
Merge branch 'master' of https://github.com/wendycan/yuetai.wendycan.org
Merge branch 'master' of https://github.com/wendycan/yuetai.wendycan.org
Update and rename README.rdoc to README.md
Update README.md
Update README.md
Modified css for pre
Update unicorn.rb

change worker numbers to 2 in production enviroment
Merge branch 'master' of https://github.com/wendycan/yuetai.wendycan.org
Merge branch 'master' of https://github.com/wendycan/yuetai.wendycan.org
Merge branch 'master' of https://github.com/wendycan/yuetai.wendycan.org
Merge branch 'master' of https://github.com/shuangxinyu/yuetai.wendycan.org