facebook/tornado — pull request #528 by alekstorm (2012-06-04 06:39:35+00:00)
Title: Add support for RFC5988 Link header

Add RequestHandler.link, RequestHandler.hint. This allows applications to easily hint to the client which resources are related to a response, to cut down on request latency, as recommended by http://dev.chromium.org/spdy/link-headers-and-server-hint.