[conformal/btcscript] 76e8fa: Reduce OP_RETURN standard relay bytes to 40.

[David Hill]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcscript
  Commit: 76e8fa9766e30370cb242f89b944e131d8e40e56
      
https://github.com/conformal/btcscript/commit/76e8fa9766e30370cb242f89b944e131d8e40e56
  Author: David Hill <dh...@conformal.com>
  Date:   2014-05-01 (Thu, 01 May 2014)

  Changed paths:
    M script.go
    M script_test.go
    M test_coverage.txt

  Log Message:
  -----------
  Reduce OP_RETURN standard relay bytes to 40.

This matches commit 8175c790eb12f0b0ca3197895a6d1d479b340b67 of
the reference software.