console: websocketproxy needs to handle token from path

[Sahid Orentino]

Currently websocketproxy are looking for a valid token in the cookie that is how novnc works but we should take a look at the path too.

This broke the authentication from other clients like full websocket client used for the feature serial console.

  https://gist.github.com/sahid/894c31f306bebacb2207

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/124384

[Nikola Đipanov (ndipanov)]

Marking this as duplicate of 1373950 so we can continue the discussion there.