Update zh_CN, thanks to dennisyan

language/zh_CN/what_is_piwigo.lang.php

@@ -1,9 +1,9 @@
 <?php
-// +-----------------------------------------------------------------------+
-// | This file is part of Piwigo.                                          |
-// |                                                                       |
-// | For copyright and license information, please view the COPYING.txt    |
-// | file that was distributed with this source code.                      |
+// +-----------------------------------------------------------------------+
+// | This file is part of Piwigo.                                          |
+// |                                                                       |
+// | For copyright and license information, please view the COPYING.txt    |
+// | file that was distributed with this source code.                      |
 // +-----------------------------------------------------------------------+
 $lang['porg_whatispiwigo_gnu_desc2'] = '开源并不仅仅意味着可以查看源代码——它还具有政治和哲学意义。';
 $lang['porg_whatispiwigo_gnu_desc3'] = '开放源码，或“自由软件”，意味着您可以在特定条件下自由修改和重新发布源代码。';
@@ -43,4 +43,12 @@
 $lang['Why choosing Piwigo ?'] = '为何选择 Piwigo ？';
 $lang['porg_whatispiwigo_desc1'] = 'Piwigo 是一款可以用来管理您的图片集与其他媒体的网站程序。';
 $lang['porg_whatispiwigo_desc2'] = '内置强大功能，全世界都在使用它管理图片库。';
-$lang['porg_whatispiwigo_gnu_desc1'] = 'GNU 通用公共许可证，或 GPL，是一种开源许可证。';
+$lang['porg_whatispiwigo_gnu_desc1'] = 'GNU 通用公共许可证，或 GPL，是一种开源许可证。';
+$lang['porg_whatispiwigo_download'] = '下载 Piwigo';
+$lang['porg_whatispiwigo_full_autonomy'] = '完全的自主性';
+$lang['porg_whatispiwigo_infinitely_customizable'] = '无限的可定制性';
+$lang['porg_whatispiwigo_noSkills'] = '不需要专业技术';
+$lang['porg_whatispiwigo_oneClick'] = '一键安装';
+$lang['porg_whatispiwigo_self_hosting'] = '自设主机';
+$lang['porg_whatispiwigo_support'] = '包含技术支持、更新与维护';
+$lang['porg_whatispiwigo_test_free'] = '免费试用';