Merge pull request #704 from arbox/typos

RU: Corrected typos in the news post on 2014-03-15.
Minor fixes in the installation page (ja)
new post for Heap Overflow in YAML URI Escape Parsing (CVE-2014-2525)
Merge pull request #705 from hone/master

new post for Heap Overflow in YAML URI Escape Parsing (CVE-2014-2525)
use jekyll properly
Translate heap overflow in YAML: CVE-2014-2525 (zh_tw).
Merge pull request #707 from JuanitoFatas/CVE-2014-2525-zh-TW

Translate heap overflow in YAML: CVE-2014-2525 (zh_tw).
Translate heap-overflow-in-yaml-uri-escape-parsing-cve-2014-2525 (ja)
Merge pull request #706 from makimoto/cve-2014-2525-ja

Translate heap-overflow-in-yaml-uri-escape-parsing-cve-2014-2525 (ja)
Fix grammar in news post (en)
Fix lang attribute in news post (ja)
Fix code highlighting in CVE-2014-2525 post
Add "security" tag to CVE-2014-2525 post
* Updated descriptions (especially how to update psych gem).
Translate CVE-2014-2525 post (de)
Merge pull request #710 from stomar/cve-2014-2525-de

Translate CVE-2014-2525 post (de)
Translate Heap Overflow in YAML URI Escape Parsing (ko)
Fix wordings in heap-overflow-in-yaml-uri-escape-parsing (ja)
Fix typos in to-ruby-from-c-and-cpp (ru)
upgrade jekyll-1.5.1