Made import filterable
added more frontend tests, removed  global
remove accidental whitespace from preg_replace parameter
Change action name and added filter doc.
Allow customization of import&export message.
Merge branch 'feature/filterable-import'
echo buffer content in flush_cache method
Merge branch 'master' of github.com:Yoast/wordpress-seo
Typo
Action not filter
added wpseo_frontend tests, better tests asserting output for wpseo_opengraph
replace wpseo variables for social descriptions
Moving wpseo_replace_vars above boolean check
Merge branch 'pr/982'
Added FAQ link plugin links.
Version bump top 1.5.2.6
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