Improve reporting

I copied the `--color` and `--noColor` options from https://github.com/pivotal/jasmine/blob/master/spec/node_suite.js#L156-161.

I also changed the reporter`s print function to use `util.print` as in https://github.com/pivotal/jasmine/blob/master/spec/node_suite.js#L83 so that the dots would print on one line, which I believe is standard.