Use express 4
prepare guides
add Class and Drag
Merge pull request #98 from SergioCrisostomo/fix-guides

Prepare for guides
Merge pull request #96 from SergioCrisostomo/express4

Use express 4
polish & fixes after ML feedback

- removed dropdown
- fixed padding
- fixed `:active` background-color around logo
- fixed logo width behaviour in Win Chrome
- aligned search box
Merge pull request #99 from SergioCrisostomo/ML-polish

polish after ML feedback
Improving the importing of old blog posts, save it as HTML.

- Let the creation of the posts.json to the build/blog.js script.
- Fix lib/compile-md backward compatibility when the path argument was
  not given
Import old blog posts.
Make the twitter API usage optional.

If it's not there, just ignore it.
Merge pull request #101 from arian/optional-twitter

Make the twitter API usage optional.
Merge pull request #100 from arian/blog-posts

Import old blog posts.
add older version for More's docs
after review improvments