forum fixes

app/controllers/forum_posts_controller.rb

@@ -26,7 +26,11 @@ class ForumPostsController < ApplicationController
 
   def show
     @forum_post = ForumPost.find(params[:id])
-    respond_with(@forum_post)
+    if request.format == "text/html" && @forum_post.id == @forum_post.topic.original_post.id
+      redirect_to(forum_topic_path(@forum_post.topic))
+    else
+      respond_with(@forum_post)
+    end
   end
   
   def create

app/views/forum_topics/index.html.erb

@@ -25,7 +25,7 @@
               
               <%= link_to topic.title, forum_topic_path(topic) %>
 
-              <% if topic.response_count > 30 %>
+              <% if topic.response_count > Danbooru.config.posts_per_page %>
                 <%= link_to "last", forum_topic_path(topic, :page => topic.last_page), :class => "last-page" %>
               <% end %>