Initial progress on WebSocket fallback for IE 9 and Android browsers. EUCA-7380
Swap out tornado's vanilla websocket handler with SockJS. EUCA-7380
Restore prior websocket push handler.  Going to try another approach for EUCA-7380
Incorporate SockJS connection and router for websockets fallback.  Still seeing issues with adding the handler to the user_session.  EUCA-7380
Ensure push handler route is visible.
EUCA-7380
tweaked sockjs code to properly get session-id, renamed send method to avoid name conflice with base class, changed client protocol to http(s)
Can't use iframe-based transports due to our X-Frame-Options='DENY' setting. EUCA-7380
IE9 can't handle extra trailing commas. :-(
Merge branch 'testing' into EUCA-7380

Conflicts:
	eucaconsole/pushhandler.py
Don't log session ID.
Code cleanup--don't need the old WebSocket push handler.  EUCA-7380
Merge pull request #66 from eucalyptus/EUCA-7380

Support IE9 and Android browser via fallback for WebSocket API.  Implements EUCA-7380