[conformal/btcd] 293d71: Implement gettxout rpc.

[Olaoluwa Osuntokun]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: 293d71e9c36389a2bfc47cdc40e802a4fcfce792
      
https://github.com/conformal/btcd/commit/293d71e9c36389a2bfc47cdc40e802a4fcfce792
  Author: Olaoluwa Osuntokun <laol...@gmail.com>
  Date:   2014-07-19 (Sat, 19 Jul 2014)

  Changed paths:
    M rpcserver.go

  Log Message:
  -----------
  Implement gettxout rpc.

Use new error type defined in Roasbeef/btcjson@4dc9db809