Diff of Xamarin

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.
• Go to Xamarin.

- Xamarin 日本語情報
--  http://ytabuchi.hatenablog.com/
- Xamarinを支える技術
--  https://speakerdeck.com/atsushieno/xamarinwozhi-eruji-shu