Fix lab aliases

This is a quick fix to get the test suite passing. It updates some of the "services" tests to use old-school (3.x.x) lab API syntax for things like `Lab.before`, `Lab.experiment`, etc

The longer term fix is to only have one package.json file in newww, and hence one version of lab. Right now we have a bunch:

![screen shot 2014-12-28 at 10 43 13 pm](https://cloud.githubusercontent.com/assets/2289/5566697/98df87f0-8ee5-11e4-9d8a-40af56729158.png)