Translate Ruby 2.1.3 release (es)
Merge pull request #861 from ovargas27/ruby_2.1.3_release_es

Translate Ruby 2.1.3 release (es)
Fix typo (es)
Rewrap 1.9.2-p330 post
Fix typo (de)
Various small fixes in 1.9.2-p330 translations
Small fixes in 2.0.0-p576 post (en)
Small fixes in 2.0.0-p576 post translations
Fix markup in news post (it)
Small fixes in 2.1.3 post translations
Fix typos and grammar in 2.2.0-preview1 post (en)
Various fixes in 2.2.0-preview1 post (fr)
Small fixes in 2.2.0-preview1 post translations
Small fix (tr)
Fix typo
Remove link to planetrubyonrails.org (en)
Remove link to planetrubyonrails.org (translations)

Or replace with planetrubyonrails.com, if not already linked to.
upgrade ruby 2.1.3
bundle update
use unicorn instead of passenger, because to prevent to shell-shock risk