attempt to restore theme3

Author: cp-bagerard

_config.yml

@@ -1,7 +1,7 @@
 # This is the default format.
 # For more see: https://github.com/mojombo/jekyll/wiki/Permalinks
 permalink: /:categories/:year/:month/:day/:title
-theme: metromongo
+theme: mongoengine
 exclude: [".rvmrc", ".rbenv-version", "README.md", "Rakefile", "changelog.md"]
 auto: true
 pygments: true