Add the Burlington Ruby Conference to conferences.
Merge pull request #567 from sorah/translation-ja/ruby-1-9-3-will-end-on-2015

[ja] Add 2014-01-10-ruby-1-9-3-will-end-on-2015
Add 2014-01-10-ruby-1-9-3-will-end-on-2015 (ko)
Merge pull request #568 from marocchino/ko-2014-01-10-ruby-1-9-3-will-end-on-2015

Add 2014-01-10-ruby-1-9-3-will-end-on-2015 (ko)
translate 1.9.3 support news (it)
Merge pull request #569 from alepore/193_it

translate 1.9.3 support news (it)
Translate Ruby 1.9.3 EOL (zh_tw).
Translate 'Support for Ruby version 1.9.3 will end on February 23, 2015.' (de)
[es] Translate en/news/_posts/2014-01-10-ruby-1-9-3-will-end-on-2015.md
Merge pull request #572 from soveran/translations

[es] Translate en/news/_posts/2014-01-10-ruby-1-9-3-will-end-on-2015.md
Merge pull request #571 from JuanitoFatas/patch/193-eol

Translate Ruby 1.9.3 EOL (zh_tw).
Merge pull request #563 from brettchalupa/patch-1

Add the Burlington Ruby Conference to conferences.
Unify notation (ja)
s/レポジトリ/リポジトリ
Merge pull request #574 from crazymaster/master

Unify notation (ja)
Update version on ja/dev
Merge pull request #575 from crazymaster/master

Update version on ja/dev
Make download links clearly
Extract installation steps to Installation page