Add unit and integration tests

[elmarti]

Now that the core of the project has been abstracted into RTCFly, it should be relatively simple to test the remnant code as it leverages import/export, rather than integrating directly into Meteor's APIs.

[elmarti]

This will be the next priority as the build has been broken for months, now that it is relatively stable, it should be fixed and use a range of unit/integration, along with HipTest, Cucumber and BrowserStack for BDD driven E2E testing.