* implement foundation for service network
* update vendorHash
* extract MkNetID
* look up peers by NetID
* implement proxy for remote services
* support remote services (client side)
* create Proxy abstraction
* implement TCPServiceProxy
* add a wrapper to make streams implement net.Conn
* support remote services (server side)
* implement services in config
* create proxies from multiaddrs
* register services defined in config
* add description field to proxy
* resolve service hostnames
