/**WordPress Localized Language, defaults to English.
* Change this to localize WordPress. A corresponding MO file for the chosen language must be installed to wp-content/languages. For example, install de.mo to wp-content/languages and set WPLANG to ‘de_DE’ to enable German
* language support.
*/
define (‘WPLANG’, ‘ro_RO’);
If you already set this in wp-config.php the translations uploaded into the directory /public_html/wp-content/themes/suffusion/translation/ should be OK