add user similarity report

app/controllers/reports_controller.rb

@@ -1,4 +1,7 @@
 class ReportsController < ApplicationController
+  before_filter :member_only
+  before_filter :gold_only, :only => [:similar_users]
+
   def user_promotions
     @report = Reports::UserPromotions.new
   end
@@ -14,4 +17,9 @@ class ReportsController < ApplicationController
   def uploads
     @report = Reports::Uploads.new(params[:min_date], params[:max_date], params[:queries])
   end
+
+  def similar_users
+    @report = Reports::UserSimilarity.new(CurrentUser.id)
+    @presenter = UserSimilarityPresenter.new(@report)
+  end
 end