Merge pull request #690 from razum2um/master

Latest news march 2014 (ru)
Fix link in news post (ru)
Fix typos (ru)
Simplify rewrite rules
Reorganize rewrite rules
Improve rewrite rules
Small fix in rewrite rule
Translate about/website, update credits (ko)
Merge pull request #683 from marocchino/ko-website

Translate about/website, update credits (ko)
Translate eurucamp 2014 (zh_tw).
Translate RubyConf2014 Taiwan Title (pt)
Translate 2014-03-14-rubyconf-taiwan-2014 (ja)
Translate regression-of-hash-reject-in-ruby-2-1-1 (zh_cn)
Merge pull request #691 from JuanitoFatas/eurucamp-news

Translate eurucamp 2014 (zh_tw).
Merge pull request #692 from DiogoAndre/rubyconf2014tw-title

Translate RubyConf2014 Taiwan Title (pt)
Translate about/logo, about/website, update credits (zh_tw).
Translate regression news (pl)
Translate RubyConf Taiwan news (pl)
Fix link in news post (pl)
Translate 2014-03-14-rubyconf-taiwan-2014 (ko)