Brian Alexander balexand

Forked from this, but added slider.

	:aws_signature.sign_v4_query_params(
	s3_config.access_key_id,
	s3_config.secret_access_key,
	s3_config.region,
	"s3",
	:erlang.universaltime(),
	"GET",
	"https://#{s3_config.bucket}.s3.#{s3_config.region}.amazonaws.com/#{asset.key}",
	body_digest: "UNSIGNED-PAYLOAD"
	)

	var svg = document.getElementsByTagName("svg")[0];
	var bbox = svg.getBBox();
	[bbox.x, bbox.y, bbox.width, bbox.height].join(" ");