[conformal/btcutil] 3f83ab: Add godoc reference badge to README.md files.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcutil
  Commit: 3f83ab60af83e0c04d1166aa0ebea883a485b16e
      
https://github.com/conformal/btcutil/commit/3f83ab60af83e0c04d1166aa0ebea883a485b16e
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-07-09 (Wed, 09 Jul 2014)

  Changed paths:
    M README.md
    M coinset/README.md

  Log Message:
  -----------
  Add godoc reference badge to README.md files.