Expose all available translation in the WebUI. Closes #976.

src/webui/html/preferences_content.html

@@ -277,19 +277,17 @@
       <option value="it_IT">Italiano</option>
       <option value="nl_NL">Nederlands</option>
       <option value="es_ES">Español</option>
-      <option value="eu_ES">Euskara</option>
       <option value="ca_ES">Català</option>
       <option value="gl_ES">Galego</option>
-      <option value="pt_PT">Português</option>
       <option value="pt_BR">Português brasileiro</option>
+      <option value="pt_PT">Português</option>
       <option value="pl_PL">Polski</option>
-      <option value="cs_CZ">Čeština</option>
       <option value="lt_LT">Lietuvių</option>
+      <option value="cs_CZ">Čeština</option>
       <option value="sk_SK">Slovenčina</option>
       <option value="sr_CS">Српски</option>
-      <option value="he_IL">עברית</option>
+      <option value="hr_HR">Hrvatski</option>
       <option value="hy_AM">Հայերեն</option>
-      <option value="ka_GE">ქართული</option>
       <option value="ro_RO">Română</option>
       <option value="tr_TR">Türkçe</option>
       <option value="el_GR">Ελληνικά</option>
@@ -301,6 +299,12 @@
       <option value="uk_UA">Українська</option>
       <option value="ru_RU">Русский</option>
       <option value="ja_JP">日本語</option>
+      <option value="he_IL">עברית</option>
+      <option value="ar_AE">عربي</option>
+      <option value="ka_GE">ქართული</option>
+      <option value="be_BY">Беларуская</option>
+      <option value="eu_ES">Euskara</option>
+      <option value="vi_VN">tiếng Việt</option>
       <option value="zh_CN">中文 (简体)</option>
       <option value="zh_TW">中文 (繁體)</option>
       <option value="ko_KR">한글</option>