Translate CVE-2014-8080(ko)
Fix typo
Translate 2.1.5 release(ko)
Translate older version release(ko)
Apply reviews
Create 2014-11-25-ruby-2-2-0-preview2-released.md

file digests are still invalid
Merge pull request #900 from marocchino/ko-cve

Translate 2014-11-13 news (ko)
Small fixes in recent news posts (ko)
apply comments
Use preview-2's URLs and digests
Merge pull request #901 from nurse/ruby-2.2.0-preview2

Create 2014-11-25-ruby-2-2-0-preview2-released.md
bundle update
upgrade Ruby 2.1.5
Put post date and author at the top of news_post layouts

News are news because of their timeliness, it's crucial for especially
release news posts to have their date displayed in a location that is
immediately obvious for readers: below the title.
Merge pull request #895 from olivierlacan/emphasize-date-on-news-post

Put post date and author at the top of news_post layouts
Small fix