[conformal/btcnet] 320f5b: Update btcutil import paths to new location.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcnet
  Commit: 320f5befd5a32633c14cb73caf244eb8a1dd0007
      
https://github.com/conformal/btcnet/commit/320f5befd5a32633c14cb73caf244eb8a1dd0007
  Author: Dave Collins <da...@conformal.com>
  Date:   2015-01-15 (Thu, 15 Jan 2015)

  Changed paths:
    M README.md
    M doc.go

  Log Message:
  -----------
  Update btcutil import paths to new location.