[conformal/btcwire] 8733b9: Bump default user agent to 0.2.0.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcwire
  Commit: 8733b9c8df9fd1c6a563cc06cecb301610b87fe5
      
https://github.com/conformal/btcwire/commit/8733b9c8df9fd1c6a563cc06cecb301610b87fe5
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-09-20 (Sat, 20 Sep 2014)

  Changed paths:
    M msgversion.go

  Log Message:
  -----------
  Bump default user agent to 0.2.0.