* Move start reload server into separate module
* Find an unused port when starting the live reload server
* Move findUnusedPort into module
* Add tests for findUnusedPort module
* Refactor findUnusedPort
* Move starting of servers into separate module and add tests
* Remove unused constants.js
* Zap extra line breaks
* Add tests for liveReloadServer
* Rename serverController to start
* Move start into lib/server
* Add portfinder package
* Replace findUnusedPort with portfinder
* nits