Update Rakefile comments.
Update Rakefile comments.

razor-x/jekyll-and-zurb,razor-x/jekyll-and-zurb,matthiasbeyer/wiki.template,matthiasbeyer/wiki.template,rxfork/jekyll-and-zurb,razor-x/jekyll-and-zurb,matthiasbeyer/wiki.template,rxfork/jekyll-and-zurb