✨ add preview img

modified:   ../next/css/next.css
	modified:   ../next/css/next.min.css
	modified:   ../next/js/next.js
	modified:   ../next/js/next.min.js
	modified:   ../next/lang/lang_en_US.properties
	modified:   ../next/lang/lang_zh_CN.properties
	modified:   ../next/macro-comments.ftl
	modified:   ../next/skin.properties

next/css/next.css

@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2010-2016, b3log.org & hacpai.com
+ * Copyright (c) 2010-2017, b3log.org & hacpai.com
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,7 +18,7 @@
  * skin next style
  *
  * @author <a href="http://vanessa.b3log.org">Liyuan Li</a>
- * @version 0.3.2.1, Dec 17, 2016
+ * @version 0.4.3.1, Feb 16, 2017
 */
 /* start reset */
 html {
@@ -701,6 +701,10 @@ img {
     line-height: 1.5
 }
 
+.article-body img {
+    cursor: pointer;
+}
+
 .article-body ul,.article-body ol {
     padding-left: 2em;
     margin-top: 0;
@@ -1135,11 +1139,6 @@ ul.comments .comment-meta time {
     .posts-collapse {
         margin-left: 10px;
     }
-    pre {
-        word-wrap: break-word;
-        word-break: break-all;
-        white-space: normal;
-    }
 
     .page-archive .archive-page-counter {
         margin-right: 10px;