getlantern/lantern#1622 Lazily creating user on invited check

Yes, basically this file doesn't matter much since it's written to every time you deploy to any controller.  I guess the only point of having it in source control at all is to make sure you have a valid one when you first clone the lantern-controller repo.  The canonical registry of versions is:

https://github.com/getlantern/lantern-controller/blob/master/versions