Translate Maintenance Extension of Ruby news (it)
Improve readability
Fix minor link
Merge pull request #469 from alepore/it-maint-news

Translate Maintenance Extension of Ruby news (it)
Fix typos and markdown in news post (it)
Use reference style links in news post (it)
Clarify target of ref links in news post
Translate maintenance of 187 and 192 (zh_tw).
Merge pull request #474 from marocchino/fix_minor_link

Fix minor link
Merge pull request #475 from JuanitoFatas/2013-12-17

Translate maintenance of 187 and 192 (zh_tw).
Fix links in news post (zh_tw)