updated bilingual

lib/views/admin/app.html

@@ -111,7 +111,7 @@
             <input class="form-control" type="text" name="settingForm[mail:smtpUser]"   value="{{ settingForm['mail:smtpUser']|default('') }}">
           </div>
           <div class="col-xs-3">
-            <label for="">パスワード</label>
+            <label for="">{{ t('Password') }}</label>
             <input class="form-control" type="password" name="settingForm[mail:smtpPassword]" value="{{ settingForm['mail:smtpPassword']|default('') }}">
           </div>
         </div>