Added .gitattributes file to keep CRLF's out of the codebase.
Merge branch 'master' of github.com:imathis/octopress

* 'master' of github.com:imathis/octopress:
  Update plugins/pygments_code.rb
  Async load of Facebook JS
  Update plugins/pygments_code.rb
  Upgrade ruby version
  optimized order of styles and scripts in header
  Added stringex and changed to use #to_url for create directory. To don't receive error in url to accented characters.