[conformal/btcd] b1ed5f: Add version to btcctl.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: b1ed5f75ca456c927e7611534c366cdb51bad844
      
https://github.com/conformal/btcd/commit/b1ed5f75ca456c927e7611534c366cdb51bad844
  Author: Dave Collins <da...@conformal.com>
  Date:   2013-11-19 (Tue, 19 Nov 2013)

  Changed paths:
    M release/prep_release.sh
    M util/btcctl/config.go
    A util/btcctl/version.go

  Log Message:
  -----------
  Add version to btcctl.

This commit adds version information to btcctl.  The plan is to keep
it in lock step with the btcd version.  It also updates the release script
so the version file is updated automatically with the btcd one.