[conformal/btcwallet] e837ca: Cleanly remove disconnected clients.

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcwallet
  Commit: e837ca5b6485d7345b6983056074e58de34aeda0
      
https://github.com/conformal/btcwallet/commit/e837ca5b6485d7345b6983056074e58de34aeda0
  Author: Josh Rickmar <jr...@conformal.com>
  Date:   2014-02-18 (Tue, 18 Feb 2014)

  Changed paths:
    M acctmgr.go
    M cmd.go
    M ntfns.go
    M rpcserver.go
    M sockets.go

  Log Message:
  -----------
  Cleanly remove disconnected clients.

Also fixes a bug where responses for a single client would be sent to
every connected client.