Added greek translation for the admin interface (#1157)
Added greek translation for the admin interface (#1157)

* Create admin.php

* Update admin.php

luyadev/luya,nandes2062/luya,martinpetrasch/luya,nandes2062/luya,nandes2062/luya,martinpetrasch/luya,vuongminh/luya,luyadev/luya,zephir/luya,zephir/luya,zephir/luya,martinpetrasch/luya,zephir/luya,luyadev/luya,vuongminh/luya,martinpetrasch/luya,vuongminh/luya,nandes2062/luya,zephir/luya,vuongminh/luya