Add tests for the Collection OCG

* Test the OCG branch of Collection.
* Add the ability to have Jenkins run "npm test". The job-template is
  bound to the label hasNpm which would be on a Jenkins slave in labs.
* Add jshint and npmtest for the OCG nodejs repos.

Change-Id: I3043f827c57c72799eb5c5a5abf291c825e1addf