- pull in local copy of `shunit2`.
- test helper uses local `shunit2` by default.
- add a `.travis.yml` including `make test` for script value.
Revert `shunit2` add

- based on PR feedback, removing `shunit2`
Install shunit2 before running script
add travis-ci build status badge
Merge pull request #41 from wilmoore/travis-ci

Travis CI Integration