Merge pull request #1019 from ZogStriP/reverse-index-of-user-uploads

added a reverse index of user uploads + rake task

app/models/post.rb

@@ -26,6 +26,8 @@ class Post < ActiveRecord::Base
   has_many :replies, through: :post_replies
   has_many :post_actions
 
+  has_and_belongs_to_many :upload
+
   has_one :post_search_data
 
   validates_with ::Validators::PostValidator

app/models/upload.rb

@@ -7,6 +7,8 @@ class Upload < ActiveRecord::Base
   belongs_to :user
   belongs_to :topic
 
+  has_and_belongs_to_many :post
+
   validates_presence_of :filesize
   validates_presence_of :original_filename