Translate 2013-12-21-semantic-versioning-after-2-1-0 into ko
Add semver's korean link
Translate 2013-12-20-ruby-2-1-0-rc1-is-released into ko
Minor grammer tweaks
update about page
match nuances
fix some spacing, typo. remove japanese characters.
Merge pull request #498 from marocchino/korean

Translate some news, about (ko)