Translate regression-of-hash-reject-in-ruby-2-1-1 (zh_cn)
Translate about/logo, about/website, update credits (zh_tw).
Merge pull request #695 from ywjno/regression-of-hash-reject-in-ruby-2-1-1

Translate regression-of-hash-reject-in-ruby-2-1-1 (zh_cn)
Merge pull request #694 from JuanitoFatas/patch/about-logo-and-website

Translate about/logo, about/website, update credits (zh_tw).