[conformal/btcjson] 66afd1: Use NewReader instead of NewBuffer.

[David Hill]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcjson
  Commit: 66afd1dbc9e4a5d65f60fabbfb418e0ac2bbee97
      
https://github.com/conformal/btcjson/commit/66afd1dbc9e4a5d65f60fabbfb418e0ac2bbee97
  Author: David Hill <dh...@conformal.com>
  Date:   2014-06-05 (Thu, 05 Jun 2014)

  Changed paths:
    M jsonfxns.go

  Log Message:
  -----------
  Use NewReader instead of NewBuffer.