[btcsuite/btcd] 34a94b: txscript: sync Bitcoin Core script tests

[David Hill]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcd
  Commit: 34a94b7d0b55dfd7a3c43bccf92ba89209158a96
      
https://github.com/btcsuite/btcd/commit/34a94b7d0b55dfd7a3c43bccf92ba89209158a96
  Author: David Hill <dh...@mindcry.org>
  Date:   2015-12-30 (Wed, 30 Dec 2015)

  Changed paths:
    M txscript/data/script_invalid.json
    M txscript/data/script_valid.json

  Log Message:
  -----------
  txscript: sync Bitcoin Core script tests