Bug Fixes and features!

* Improved UI around user, role and auth management; big thanks to @leankitscott! 
* Add cookies to the envelope for both socket and http requests. 
* Prevent autohost from wigging out over empty resource files.
* Add support for streaming responses.
* Allow configuration to determine the api prefix (vs. '/api')
* Add support for request forwarding (via request lib)
* Add .context property to the request for middleware to read/write information to
* Add support for opt-out of express middleware that autohost wires up by default