Update it-IT translation

- Aligned the translation to all the recent changes.
- Fixed some typos.
- Refactored some sentences for a better understandable meaning..
Add my reference links
Merge branch 'update-contributors' of https://github.com/Ragnarokkr/idiomatic.js

* 'update-contributors' of https://github.com/Ragnarokkr/idiomatic.js:
  Add my reference links
Modified some clumsy words

- Converted 'whitespace' to korean language,
- Modified some clumsy words
- Corrected markup for 'Get Smart'
Merge pull request #92 from RayKwon/master

Modified some clumsy words and corrected wrong markup for 'Get Smart' section
little fix on FR translation (Fork)
add [Plato] Code Quality Tools