app/models/jail/github.rb
def readme
      text = Base64.decode64 github.repos.contents.readme(name, repo).content
      github.markdown.render :text => text
    end
def readme
      text = Base64.decode64 github.repos.contents.readme(name, repo).content
      github.markdown.render :text => text
    end
TODO : split in 2 methods for consistency