Todos for new website

• Make sure we have all the blog posts in the posts folder Ensure the front-matter contains meta data for each post including tags Tags (categories) for the posts are here: https://github.com/wikimatze/padrinorb-website/tree/master/_posts
• Alias /posts to /blog in padrino-web-new
• Fix anything broken in padrino-web-new due to the change over to padrino-docs
• Update the README and explain how to check out the subrepo and how to commit those changes.