Zuul

* tape: close stream only after full summary

* Added support for jasmine2 with `--ui jasmine2`

* Browserify transform options can now be specified in .zuul.yml
* The istanbul transform is now added after custom browserify transforms to avoid instrumentation issues

* `SauceBrowser` now properly uses the tunnel config option from .zuul.yml

* running tests on a browser on multiple platforms is now supported, e.g., `platform: [Linux, Windows 2012]`
* zuul can now use other tunnels in addition to localtunnel through the `--tunnel` option
see the [module page](https://github.com/rase-/zuul-ngrok) for more details
* tunnel configuration can now be added in a `tunnel` key in .zuul.yml
* code coverage is now recorded through an istanbul integration

* fix tape console.log bug with multiple arguments