[conformal/btcwallet] 40675d: Fix tx file serialization and tests.

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcwallet
  Commit: 40675d1bef7d92345c75cc63f0dcb28946e73db3
      
https://github.com/conformal/btcwallet/commit/40675d1bef7d92345c75cc63f0dcb28946e73db3
  Author: Josh Rickmar <jr...@conformal.com>
  Date:   2014-01-06 (Mon, 06 Jan 2014)

  Changed paths:
    M tx/tx.go
    M tx/tx_test.go

  Log Message:
  -----------
  Fix tx file serialization and tests.