SauceLabs support

[stevenvachon]

https://github.com/bitovi/test-saucelabs/blob/master/index.js

[andrejewski]

Heh, I brought this up just this morning with @daffl. If you look at test-saucelabs it is geared towards QUnit right now so we'll have to do a bit of designing to make something runner agnostic. Hopefully we find a nice balance. This is definitely on my radar.