Update community (ko)
Update config (ko)
Extract a page about mirror sites
Add `Ruby Referense manual Ruby 2.1.0 version` link (ja)
Merge pull request #585 from bash0C7/link_ruby_reference_manual_ruby_2.1.0_ja

Add `Ruby Referense manual Ruby 2.1.0 version` link (ja)
Fix typo (s/confortable/comfortable/g)
Update documentation/quickstart/3 (ko)
Merge pull request #584 from makimoto/extract-mirrors

Extract a page about mirror sites
Fix typo
Update documentation/quickstart/2 (ko)
Traslate documentation/success-stories (ko)
Update documentation/quickstart (ko)
Update documentation/quickstart/4 (ko)
Update documentation (ko)
Merge pull request #531 from marocchino/ko-documentation

Update documentation (ko)
Minor sentence tweak
Translate community/conferences (ko)
Translate community/mailing-lists (ko)
Translate community/ruby-core (ko)
translate community/user-groups (ko)