[conformal/btcchain] 01fa7f: Add BigToCompact example.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcchain
  Commit: 01fa7fa069e22a851e0377ff786ef947275e265c
      
https://github.com/conformal/btcchain/commit/01fa7fa069e22a851e0377ff786ef947275e265c
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-07-08 (Tue, 08 Jul 2014)

  Changed paths:
    M README.md
    M example_test.go

  Log Message:
  -----------
  Add BigToCompact example.