Fix XHR failure for file: protocol.
new option: --process-annotation
Revert "We are not printing, so we need this after all"

This reverts commit dde8a1897d5be6001e9d7bd0fc26892cf3ef7cad.
workaround for Webkit #35443
..
Add Duan Yao to AUTHORS
Merge pull request #357 from duanyao/master

Fix XHR failure for file: protocol.
Add svg-nodes-limit option to avoid overly complicated svg background.
fix travis build
Move BackgroundRenderer fallback logic to HTMLRenderer.