[btcsuite/btcutil] 7ac9b4: Update btcnet import paths to new location.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcutil
  Commit: 7ac9b42a523324f09d6a6e3932486c6733f127af
      
https://github.com/btcsuite/btcutil/commit/7ac9b42a523324f09d6a6e3932486c6733f127af
  Author: Dave Collins <da...@conformal.com>
  Date:   2015-01-16 (Fri, 16 Jan 2015)

  Changed paths:
    M address.go
    M address_test.go
    M hdkeychain/example_test.go
    M hdkeychain/extendedkey.go
    M hdkeychain/extendedkey_test.go
    M wif.go
    M wif_test.go

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