aliased Attachment#present? to Attachment#file?

lib/paperclip/attachment.rb

@@ -269,6 +269,8 @@ module Paperclip
       !original_filename.blank?
     end
     
+    alias :present? :file?
+
     # Writes the attachment-specific attribute on the instance. For example,
     # instance_write(:file_name, "me.jpg") will write "me.jpg" to the instance's
     # "avatar_file_name" field (assuming the attachment is called avatar).