* Add mocha & chai to the bower config.
* Add a functional test shell for the confirm screen.
* Go to the correct page on startup if the browser supports Fx events.
* Mocha tests now run as part of the intern functional tests.
* Update bower config to fetch the new FxA JS client.
* In postinstall npm command, install the FxA JS client's dependencies and do a build so the client is available.
* Create a light wrapper around the FxaJSClient to reduce boilerplate code.
* Use the fxa-js-client from the bower install, get rid of picl-gherkin