Add translations for news posts related to end of Ruby 1.8.7 (id)
Translate Ruby 1.8.7-p374 news (pl)
Typo fixes in news article (pl)
Translate doc new keyword argument syntax (pl)
Merge pull request #216 from id-ruby/id/translate_news/2013_jun_30_and_related

Add translations for news posts related to end of Ruby 1.8.7 (id)