Use mocha instead of vows.
* Remove `.next()` from the API since it was unnecessary.
* Remove `.run()` from the API since it was specific to vows.
* Replace `.discuss()` with `describe()` and `it()`.
* Update CoffeeScript.
Update README.
* Remove references to `.next()`.
* Replace `.discuss()` wih `.describe()` and `.it()`.
* Remove specifics about the test suite / runner.
* Remove test suite dependency from the `package.json` example.
Move flags for test runner inside binary.
Fix README formatting.
Update README formatting.
Remove dead code.
Merge pull request #10 from paulyoung/mocha

Use mocha instead of vows.