[conformal/btcwallet] 478a7e: Update for recent btcjson changes.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcwallet
  Commit: 478a7ec867c16a610f84001ab558d69bc0ff044c
      
https://github.com/conformal/btcwallet/commit/478a7ec867c16a610f84001ab558d69bc0ff044c
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-06-29 (Sun, 29 Jun 2014)

  Changed paths:
    M rpcserver.go

  Log Message:
  -----------
  Update for recent btcjson changes.

This commit updates the types to match the recent changes to the btcjson
result types.