[btcsuite/btcnet] 612ff7: Update btcchain import paths to new location.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcnet
  Commit: 612ff7f8132e68381c407e4429d420dd3a054cba
      
https://github.com/btcsuite/btcnet/commit/612ff7f8132e68381c407e4429d420dd3a054cba
  Author: Dave Collins <da...@conformal.com>
  Date:   2015-01-30 (Fri, 30 Jan 2015)

  Changed paths:
    M params.go

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