[btcsuite/btcd] 3318a2: Simplify chain configuration.

[David Hill]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcd
  Commit: 3318a24a887b002f53f36b72f4197602e49b39d3
      
https://github.com/btcsuite/btcd/commit/3318a24a887b002f53f36b72f4197602e49b39d3
  Author: David Hill <dh...@mindcry.org>
  Date:   2015-02-18 (Wed, 18 Feb 2015)

  Changed paths:
    M blockchain/accept.go
    M blockchain/chain.go
    M chaincfg/params.go

  Log Message:
  -----------
  Simplify chain configuration.