[conformal/btcutil] c78a40: Add READEME.md for bloom package.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcutil
  Commit: c78a40ab2164bf8049998a2853cd8931d4928d56
      
https://github.com/conformal/btcutil/commit/c78a40ab2164bf8049998a2853cd8931d4928d56
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-07-09 (Wed, 09 Jul 2014)

  Changed paths:
    M bloom/example_test.go

  Log Message:
  -----------
  Add READEME.md for bloom package.