example: commonjs/node based approach

Implements request #41 

[Diff without whitespace changes](https://github.com/flightjs/jasmine-flight/pull/44/files?w=1)

This depends on the commonjs-wip branch of Flight. Note the rather hacky feel of karma's commonjs plugin (requires listing of each commonjs file it needs to preprocess).
yeah, commented on the same thing. fyi, karma doesn't export their binary – https://github.com/karma-runner/karma/issues/1078 – but when you install `karma-cli` it acts as you'd expect.