system: add two more languages in development: Italian and Swedish

src/www/system_general.php

@@ -45,11 +45,13 @@ function get_locale_list()
     $locales['nl_NL'] = gettext('Dutch');
     $locales['fr_FR'] = gettext('French');
     $locales['de_DE'] = gettext('German');
+    $locales['it_IT'] = gettext('Italian');
     $locales['ja_JP'] = gettext('Japanese');
     $locales['mn_MN'] = gettext('Mongolian');
     $locales['pt_BR'] = gettext('Portuguese');
     $locales['ru_RU'] = gettext('Russian');
     $locales['es_CO'] = gettext('Spanish');
+    $locales['sv_SE'] = gettext('Swedish');
     $locales['tr_TR'] = gettext('Turkish');
 
     return $locales;