Added Screenshot.image_url for Rake migration task to paperclip

app/models/screenshot.rb

@@ -30,6 +30,12 @@ class Screenshot < ActiveRecord::Base
     "Anonymous"
   end
 
+  # Return Debshots 1.x path to allow migration of images into Paperclip filesystem schema
+  def image_url(size)
+    "#{Rails.configuration.images_path_prefix}/#{self.package.name[0]}/#{self.package.name}/#{self.id}_#{size}.png"
+  end
+
+
   def status
     text = ''
     # Completes the sentence: "This image…"