http://shellbye.com

In order to use rake publish:

1. sudo gem install jekyll
2. sudo gem install bundler
3. bundle install
4. sudo curl -sSL https://get.rvm.io | bash -s stable --ruby
5. sudo gem install jekyll-sitemap
6. sudo gem install pygments.rb ref:http://shitao.github.io/use-jekyll-plugin-on-gitpage/