Storyboard: New layout in LogInView to set up an account before anything else. Also added a link to our help doc about how to get a token.
CatchoomService: protected OneShot and FinderMode from devices with no camera (e.g. iPad "1")
MasterViewController: disabled camera button when the device has no camera available.
Assets: added an illustration for the iPad LogInView.
Removed graphical assets. Using Catchy instead.