def list_bootstrap_actions(jobflow_id)
      params = {
        :operation => 'ListBootstrapActions',
        :cluster_id => jobflow_id,
      }
      aws_result = @aws_request.submit(params)
      yield aws_result if block_given?
      JSON.parse(aws_result)
    end
def list_bootstrap_actions(jobflow_id)
      params = {
        :operation => 'ListBootstrapActions',
        :cluster_id => jobflow_id,
      }
      aws_result = @aws_request.submit(params)
      yield aws_result if block_given?
      JSON.parse(aws_result)
    end
List the bootstrap actions in the specified jobflow

   emr.list_bootstrap_actions('j-123')

 http://docs.aws.amazon.com/ElasticMapReduce/latest/API/API_ListBootstrapActions.html