reverseproxy: initial draft
reverseproxy: inital websocket function
reverseproxy: more fixes
reverseproxy: working now, still WIP
reverseproxy: remove unused close
reverseproxy: better tests
reverseproxy: add test to Makefile
reverseproxy: move registering to main
reverseproxy: proxy works now perfectly, but kontrolclient.go needs
some refactor to support both proxies
reverseproxy: no need to write two same methods
reverseproxy: simplify proxykite call
reverseproxy: rename RegisterToProxy to RegisterToTunnel
reverseproxy: rename proxy to tunnelproxy
reverseproxy: rename proxy to tunnelproxy