allow config for: s3_host_name

Author: Andy Olliver

app/models/cms/attachment.rb

@@ -98,6 +98,7 @@ def configure_paperclip
  :storage => rail_config(:storage),
  :s3_credentials => rail_config(:s3_credentials),
  :bucket => rail_config(:s3_bucket),
+ :s3_host_name => rail_config(:s3_host_name),
  :s3_host_alias => rail_config(:s3_host_alias)
 
  end