Merge branch 'master' of git://github.com/Yoast/wordpress-seo
improve opengraph tests
i18n update

* Updated el_GR, fa_IR, hu, it_IT, pt_PT, ru_RU, tr_TK and zh_CN
* Added Malay
Changed Korean language code in file name
Added alternate Hungarian language code as well
Prevent error motice
point licensing submodule to 'master' branch
Merge branch 'master' of git://github.com/Yoast/wordpress-seo into Remove-breadcrumb-enable