Fixes a timeout problem with the aws-s3 library

aws_s3_upload_fix.rb

AWS::S3::Base.class_eval do
  class << self
    def request_with_rewind(verb, path, options = {}, body = nil, attempts = 0, &block)
      body.rewind if body.respond_to?(:rewind)
      request_without_rewind verb, path, options, body, attempts, &block
    end
    alias_method_chain :request, :rewind
  end
end