Merge pull request #2864 from r888888888/upload_tags_report

Implement #2863: basic upload tags change report

config/routes.rb

@@ -1,4 +1,5 @@
 Rails.application.routes.draw do
+
   namespace :admin do
     resources :users, :only => [:edit, :update]
     resource  :alias_and_implication_import, :only => [:new, :create]
@@ -318,6 +319,8 @@ Rails.application.routes.draw do
     end
   end
 
+  resources :upload_tags_report, :only => [:show]
+
   # aliases
   resources :wpages, :controller => "wiki_pages"
   resources :ftopics, :controller => "forum_topics"