讨论区回帖顺序改为与留言一致（新回复在前）

app/controllers/messages_controller.rb

@@ -43,7 +43,7 @@ class MessagesController < ApplicationController
     @reply_pages = Paginator.new @reply_count, REPLIES_PER_PAGE, page
     @replies =  @topic.children.
       includes(:author, :attachments, {:board => :project}).
-      reorder("#{Message.table_name}.created_on ASC").
+      reorder("#{Message.table_name}.created_on DESC").
       limit(@reply_pages.per_page).
       offset(@reply_pages.offset).
       all

app/views/messages/show.html.erb

@@ -124,7 +124,7 @@
 
 	<table class="borad-text-list">
 		<tr>
-			<td class="font_lighter"><%= reply_count += 1 %>楼 </td>
+			<td class="font_lighter"><span style="display: none"><%= reply_count += 1 %>楼</span> </td>
 			<td>
 			<div class="contextual-borad">
 				<%= link_to(