[conformal/btclog] fa3217: Add support for TravisCI.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btclog
  Commit: fa3217f76bac7375db18868dfcbc7c69b8c36552
      
https://github.com/conformal/btclog/commit/fa3217f76bac7375db18868dfcbc7c69b8c36552
  Author: Dave Collins <da...@conformal.com>
  Date:   2013-12-10 (Tue, 10 Dec 2013)

  Changed paths:
    A .travis.yml
    M README.md

  Log Message:
  -----------
  Add support for TravisCI.

Also add TravisCI build status badge to README.md.