asset_sync initializer config to work with non-stupid-digest-assets gem for non-digest asset compilation and upload to S3.

asset_sync.rb

if defined?(AssetSync)
  AssetSync.configure do |config|
    config.fog_provider = 'AWS'
    config.aws_access_key_id = ENV['AWS_ACCESS_KEY_ID']
    config.aws_secret_access_key = ENV['AWS_SECRET_ACCESS_KEY']
    config.fog_directory = ENV['FOG_DIRECTORY']

    config.manifest = false
    config.existing_remote_files = 'ignore'

    # Fail silently.  Useful for environments such as Heroku
    config.fail_silently = true
  end
end