Merge pull request #383 from namsk/master

Translate news of Ruby 2.1.0-preview2 into Korean
Fix news post author
Merge pull request #384 from ruby/post-author

Fix news post author
Fix nested lists, typos, and links in 2.1.0-preview2 post

Nested lists need an indentation of 2 spaces.
Fix typos and markdown in Fukuoka Ruby Award post

Lists need a leading empty line to be rendered correctly.
Add missing paragraphs to Fukuoka Ruby Award post (es)
Add links to Fukuoka Ruby Award post