[conformal/btcwire] a9e05a: Implement String for OutPoint.

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcwire
  Commit: a9e05a3030afe9c2e4e5e63250d6c190215aa08e
      
https://github.com/conformal/btcwire/commit/a9e05a3030afe9c2e4e5e63250d6c190215aa08e
  Author: Josh Rickmar <jr...@conformal.com>
  Date:   2015-01-05 (Mon, 05 Jan 2015)

  Changed paths:
    M msgtx.go
    M msgtx_test.go

  Log Message:
  -----------
  Implement String for OutPoint.