[conformal/btcutil] 6de97e: Add TravisCI build status badge to subpackages.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcutil
  Commit: 6de97e738d2182834d0fdb789deba3283017400e
      
https://github.com/conformal/btcutil/commit/6de97e738d2182834d0fdb789deba3283017400e
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-07-09 (Wed, 09 Jul 2014)

  Changed paths:
    M bloom/README.md
    M coinset/README.md

  Log Message:
  -----------
  Add TravisCI build status badge to subpackages.